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Finding the Fourth Proportional to 472,024.84, 707,884.14 and 156,397

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Solution

The fourth proportional to 472,024.84, 707,884.14 and 156,397 is: 234,544.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,024.84 : 707,884.14 = 156,397 : x
  2. Step 2: Convert to fraction form
    472,024.84/707,884.14 = 156,397/x
  3. Step 3: Cross multiply
    472,024.84x = 707,884.14 × 156,397
  4. Step 4: Simplify right side
    472,024.84x = 110,710,955,843.58
  5. Step 5: Solve for x
    x = 110,710,955,843.58/472,024.84
  6. Step 6: Final answer
    x = 234,544.77

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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.