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Finding the Fourth Proportional to 712,494.60, 1,068,812.04 and 207,060

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Solution

The fourth proportional to 712,494.60, 1,068,812.04 and 207,060 is: 310,610.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,494.60 : 1,068,812.04 = 207,060 : x
  2. Step 2: Convert to fraction form
    712,494.60/1,068,812.04 = 207,060/x
  3. Step 3: Cross multiply
    712,494.60x = 1,068,812.04 × 207,060
  4. Step 4: Simplify right side
    712,494.60x = 221,308,221,002.40
  5. Step 5: Solve for x
    x = 221,308,221,002.40/712,494.60
  6. Step 6: Final answer
    x = 310,610.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.