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Finding the Fourth Proportional to 676,282.92, 933,287.86 and 370,376.20

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Solution

The fourth proportional to 676,282.92, 933,287.86 and 370,376.20 is: 511,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,282.92 : 933,287.86 = 370,376.20 : x
  2. Step 2: Convert to fraction form
    676,282.92/933,287.86 = 370,376.20/x
  3. Step 3: Cross multiply
    676,282.92x = 933,287.86 × 370,376.20
  4. Step 4: Simplify right side
    676,282.92x = 345,667,611,092.93
  5. Step 5: Solve for x
    x = 345,667,611,092.93/676,282.92
  6. Step 6: Final answer
    x = 511,128.70

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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.