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Finding the Fourth Proportional to 474,646.70, 712,013.31 and 154,716.45

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Solution

The fourth proportional to 474,646.70, 712,013.31 and 154,716.45 is: 232,088.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,646.70 : 712,013.31 = 154,716.45 : x
  2. Step 2: Convert to fraction form
    474,646.70/712,013.31 = 154,716.45/x
  3. Step 3: Cross multiply
    474,646.70x = 712,013.31 × 154,716.45
  4. Step 4: Simplify right side
    474,646.70x = 110,160,167,342.30
  5. Step 5: Solve for x
    x = 110,160,167,342.30/474,646.70
  6. Step 6: Final answer
    x = 232,088.77

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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.