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Finding the Fourth Proportional to 508,104.19, 701,133.25 and 293,313.45

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Solution

The fourth proportional to 508,104.19, 701,133.25 and 293,313.45 is: 404,743.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,104.19 : 701,133.25 = 293,313.45 : x
  2. Step 2: Convert to fraction form
    508,104.19/701,133.25 = 293,313.45/x
  3. Step 3: Cross multiply
    508,104.19x = 701,133.25 × 293,313.45
  4. Step 4: Simplify right side
    508,104.19x = 205,651,812,467.21
  5. Step 5: Solve for x
    x = 205,651,812,467.21/508,104.19
  6. Step 6: Final answer
    x = 404,743.39

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Double scale
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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.