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Finding the Fourth Proportional to 489,156.60, 733,730.58 and 156,732.60

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Solution

The fourth proportional to 489,156.60, 733,730.58 and 156,732.60 is: 235,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,156.60 : 733,730.58 = 156,732.60 : x
  2. Step 2: Convert to fraction form
    489,156.60/733,730.58 = 156,732.60/x
  3. Step 3: Cross multiply
    489,156.60x = 733,730.58 × 156,732.60
  4. Step 4: Simplify right side
    489,156.60x = 114,999,501,502.91
  5. Step 5: Solve for x
    x = 114,999,501,502.91/489,156.60
  6. Step 6: Final answer
    x = 235,097.52

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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.