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Finding the Fourth Proportional to 662,613.92, 993,802.57 and 176,298.86

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Solution

The fourth proportional to 662,613.92, 993,802.57 and 176,298.86 is: 264,416.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,613.92 : 993,802.57 = 176,298.86 : x
  2. Step 2: Convert to fraction form
    662,613.92/993,802.57 = 176,298.86/x
  3. Step 3: Cross multiply
    662,613.92x = 993,802.57 × 176,298.86
  4. Step 4: Simplify right side
    662,613.92x = 175,206,262,199.83
  5. Step 5: Solve for x
    x = 175,206,262,199.83/662,613.92
  6. Step 6: Final answer
    x = 264,416.82

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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.