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Finding the Fourth Proportional to 347,210.46, 519,966.39 and 313,552.50

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Solution

The fourth proportional to 347,210.46, 519,966.39 and 313,552.50 is: 469,561.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,210.46 : 519,966.39 = 313,552.50 : x
  2. Step 2: Convert to fraction form
    347,210.46/519,966.39 = 313,552.50/x
  3. Step 3: Cross multiply
    347,210.46x = 519,966.39 × 313,552.50
  4. Step 4: Simplify right side
    347,210.46x = 163,036,761,500.48
  5. Step 5: Solve for x
    x = 163,036,761,500.48/347,210.46
  6. Step 6: Final answer
    x = 469,561.78

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