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Finding the Fourth Proportional to 308,590.47, 462,432.85 and 173,916.72

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Solution

The fourth proportional to 308,590.47, 462,432.85 and 173,916.72 is: 260,619.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,590.47 : 462,432.85 = 173,916.72 : x
  2. Step 2: Convert to fraction form
    308,590.47/462,432.85 = 173,916.72/x
  3. Step 3: Cross multiply
    308,590.47x = 462,432.85 × 173,916.72
  4. Step 4: Simplify right side
    308,590.47x = 80,424,803,622.67
  5. Step 5: Solve for x
    x = 80,424,803,622.67/308,590.47
  6. Step 6: Final answer
    x = 260,619.86

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1.5x scale

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.