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Finding the Fourth Proportional to 517,859.43, 714,452.60 and 517,061.10

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Solution

The fourth proportional to 517,859.43, 714,452.60 and 517,061.10 is: 713,351.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,859.43 : 714,452.60 = 517,061.10 : x
  2. Step 2: Convert to fraction form
    517,859.43/714,452.60 = 517,061.10/x
  3. Step 3: Cross multiply
    517,859.43x = 714,452.60 × 517,061.10
  4. Step 4: Simplify right side
    517,859.43x = 369,415,651,225.71
  5. Step 5: Solve for x
    x = 369,415,651,225.71/517,859.43
  6. Step 6: Final answer
    x = 713,351.22

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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.