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Finding the Fourth Proportional to 410,387.53, 615,550.56 and 144,150.40

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Solution

The fourth proportional to 410,387.53, 615,550.56 and 144,150.40 is: 216,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,387.53 : 615,550.56 = 144,150.40 : x
  2. Step 2: Convert to fraction form
    410,387.53/615,550.56 = 144,150.40/x
  3. Step 3: Cross multiply
    410,387.53x = 615,550.56 × 144,150.40
  4. Step 4: Simplify right side
    410,387.53x = 88,731,859,444.22
  5. Step 5: Solve for x
    x = 88,731,859,444.22/410,387.53
  6. Step 6: Final answer
    x = 216,214.80

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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.