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Finding the Fourth Proportional to 671,084.83, 926,108.13 and 365,162.78

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Solution

The fourth proportional to 671,084.83, 926,108.13 and 365,162.78 is: 503,930.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,084.83 : 926,108.13 = 365,162.78 : x
  2. Step 2: Convert to fraction form
    671,084.83/926,108.13 = 365,162.78/x
  3. Step 3: Cross multiply
    671,084.83x = 926,108.13 × 365,162.78
  4. Step 4: Simplify right side
    671,084.83x = 338,180,223,016.03
  5. Step 5: Solve for x
    x = 338,180,223,016.03/671,084.83
  6. Step 6: Final answer
    x = 503,930.66

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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.