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Finding the Fourth Proportional to 676,185.75, 933,165.50 and 374,379.75

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Solution

The fourth proportional to 676,185.75, 933,165.50 and 374,379.75 is: 516,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,185.75 : 933,165.50 = 374,379.75 : x
  2. Step 2: Convert to fraction form
    676,185.75/933,165.50 = 374,379.75/x
  3. Step 3: Cross multiply
    676,185.75x = 933,165.50 × 374,379.75
  4. Step 4: Simplify right side
    676,185.75x = 349,358,264,726.73
  5. Step 5: Solve for x
    x = 349,358,264,726.73/676,185.75
  6. Step 6: Final answer
    x = 516,660.20

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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.