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Finding the Fourth Proportional to 323,095.13, 445,867.51 and 177,897.90

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Solution

The fourth proportional to 323,095.13, 445,867.51 and 177,897.90 is: 245,497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,095.13 : 445,867.51 = 177,897.90 : x
  2. Step 2: Convert to fraction form
    323,095.13/445,867.51 = 177,897.90/x
  3. Step 3: Cross multiply
    323,095.13x = 445,867.51 × 177,897.90
  4. Step 4: Simplify right side
    323,095.13x = 79,318,892,006.38
  5. Step 5: Solve for x
    x = 79,318,892,006.38/323,095.13
  6. Step 6: Final answer
    x = 245,497.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.