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Finding the Fourth Proportional to 580,572.28, 801,145.51 and 325,874.26

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Solution

The fourth proportional to 580,572.28, 801,145.51 and 325,874.26 is: 449,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,572.28 : 801,145.51 = 325,874.26 : x
  2. Step 2: Convert to fraction form
    580,572.28/801,145.51 = 325,874.26/x
  3. Step 3: Cross multiply
    580,572.28x = 801,145.51 × 325,874.26
  4. Step 4: Simplify right side
    580,572.28x = 261,072,700,223.57
  5. Step 5: Solve for x
    x = 261,072,700,223.57/580,572.28
  6. Step 6: Final answer
    x = 449,681.65

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.