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Finding the Fourth Proportional to 586,160.44, 808,932.90 and 371,222.20

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Solution

The fourth proportional to 586,160.44, 808,932.90 and 371,222.20 is: 512,306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,160.44 : 808,932.90 = 371,222.20 : x
  2. Step 2: Convert to fraction form
    586,160.44/808,932.90 = 371,222.20/x
  3. Step 3: Cross multiply
    586,160.44x = 808,932.90 × 371,222.20
  4. Step 4: Simplify right side
    586,160.44x = 300,293,850,790.38
  5. Step 5: Solve for x
    x = 300,293,850,790.38/586,160.44
  6. Step 6: Final answer
    x = 512,306.58

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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.