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Finding the Fourth Proportional to 473,928, 710,917.92 and 141,529.92

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Solution

The fourth proportional to 473,928, 710,917.92 and 141,529.92 is: 212,302.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,928 : 710,917.92 = 141,529.92 : x
  2. Step 2: Convert to fraction form
    473,928/710,917.92 = 141,529.92/x
  3. Step 3: Cross multiply
    473,928x = 710,917.92 × 141,529.92
  4. Step 4: Simplify right side
    473,928x = 100,616,156,344.17
  5. Step 5: Solve for x
    x = 100,616,156,344.17/473,928
  6. Step 6: Final answer
    x = 212,302.62

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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.