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Finding the Fourth Proportional to 410,127.90, 615,191.85 and 368,793.60

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Solution

The fourth proportional to 410,127.90, 615,191.85 and 368,793.60 is: 553,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,127.90 : 615,191.85 = 368,793.60 : x
  2. Step 2: Convert to fraction form
    410,127.90/615,191.85 = 368,793.60/x
  3. Step 3: Cross multiply
    410,127.90x = 615,191.85 × 368,793.60
  4. Step 4: Simplify right side
    410,127.90x = 226,878,817,052.16
  5. Step 5: Solve for x
    x = 226,878,817,052.16/410,127.90
  6. Step 6: Final answer
    x = 553,190.40

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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.