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Finding the Fourth Proportional to 410,078.10, 615,117.15 and 365,754.90

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Solution

The fourth proportional to 410,078.10, 615,117.15 and 365,754.90 is: 548,632.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,078.10 : 615,117.15 = 365,754.90 : x
  2. Step 2: Convert to fraction form
    410,078.10/615,117.15 = 365,754.90/x
  3. Step 3: Cross multiply
    410,078.10x = 615,117.15 × 365,754.90
  4. Step 4: Simplify right side
    410,078.10x = 224,982,111,686.54
  5. Step 5: Solve for x
    x = 224,982,111,686.54/410,078.10
  6. Step 6: Final answer
    x = 548,632.35

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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.