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Finding the Fourth Proportional to 585,486.24, 807,973.92 and 317,214.24

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Solution

The fourth proportional to 585,486.24, 807,973.92 and 317,214.24 is: 437,757.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,486.24 : 807,973.92 = 317,214.24 : x
  2. Step 2: Convert to fraction form
    585,486.24/807,973.92 = 317,214.24/x
  3. Step 3: Cross multiply
    585,486.24x = 807,973.92 × 317,214.24
  4. Step 4: Simplify right side
    585,486.24x = 256,300,832,972.62
  5. Step 5: Solve for x
    x = 256,300,832,972.62/585,486.24
  6. Step 6: Final answer
    x = 437,757.23

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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.