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Finding the Fourth Proportional to 609,572.36, 841,218.54 and 351,444.20

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Solution

The fourth proportional to 609,572.36, 841,218.54 and 351,444.20 is: 484,998.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,572.36 : 841,218.54 = 351,444.20 : x
  2. Step 2: Convert to fraction form
    609,572.36/841,218.54 = 351,444.20/x
  3. Step 3: Cross multiply
    609,572.36x = 841,218.54 × 351,444.20
  4. Step 4: Simplify right side
    609,572.36x = 295,641,372,609.38
  5. Step 5: Solve for x
    x = 295,641,372,609.38/609,572.36
  6. Step 6: Final answer
    x = 484,998.00

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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.