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Finding the Fourth Proportional to 620,084.10, 927,793.35 and 410,132.10

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Solution

The fourth proportional to 620,084.10, 927,793.35 and 410,132.10 is: 613,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,084.10 : 927,793.35 = 410,132.10 : x
  2. Step 2: Convert to fraction form
    620,084.10/927,793.35 = 410,132.10/x
  3. Step 3: Cross multiply
    620,084.10x = 927,793.35 × 410,132.10
  4. Step 4: Simplify right side
    620,084.10x = 380,517,835,001.54
  5. Step 5: Solve for x
    x = 380,517,835,001.54/620,084.10
  6. Step 6: Final answer
    x = 613,655.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.