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Finding the Fourth Proportional to 497,688.15, 746,529.91 and 156,156.58

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Solution

The fourth proportional to 497,688.15, 746,529.91 and 156,156.58 is: 234,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,688.15 : 746,529.91 = 156,156.58 : x
  2. Step 2: Convert to fraction form
    497,688.15/746,529.91 = 156,156.58/x
  3. Step 3: Cross multiply
    497,688.15x = 746,529.91 × 156,156.58
  4. Step 4: Simplify right side
    497,688.15x = 116,575,560,036.10
  5. Step 5: Solve for x
    x = 116,575,560,036.10/497,688.15
  6. Step 6: Final answer
    x = 234,234.15

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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.