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Finding the Fourth Proportional to 474,042.16, 711,130.71 and 154,091.17

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Solution

The fourth proportional to 474,042.16, 711,130.71 and 154,091.17 is: 231,158.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,042.16 : 711,130.71 = 154,091.17 : x
  2. Step 2: Convert to fraction form
    474,042.16/711,130.71 = 154,091.17/x
  3. Step 3: Cross multiply
    474,042.16x = 711,130.71 × 154,091.17
  4. Step 4: Simplify right side
    474,042.16x = 109,578,964,593.59
  5. Step 5: Solve for x
    x = 109,578,964,593.59/474,042.16
  6. Step 6: Final answer
    x = 231,158.69

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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.