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Finding the Fourth Proportional to 373,957.70, 560,936.55 and 314,908.70

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Solution

The fourth proportional to 373,957.70, 560,936.55 and 314,908.70 is: 472,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,957.70 : 560,936.55 = 314,908.70 : x
  2. Step 2: Convert to fraction form
    373,957.70/560,936.55 = 314,908.70/x
  3. Step 3: Cross multiply
    373,957.70x = 560,936.55 × 314,908.70
  4. Step 4: Simplify right side
    373,957.70x = 176,643,799,742.99
  5. Step 5: Solve for x
    x = 176,643,799,742.99/373,957.70
  6. Step 6: Final answer
    x = 472,363.05

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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.