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Finding the Fourth Proportional to 410,835.90, 615,087.45 and 410,835.90

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Solution

The fourth proportional to 410,835.90, 615,087.45 and 410,835.90 is: 615,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,835.90 : 615,087.45 = 410,835.90 : x
  2. Step 2: Convert to fraction form
    410,835.90/615,087.45 = 410,835.90/x
  3. Step 3: Cross multiply
    410,835.90x = 615,087.45 × 410,835.90
  4. Step 4: Simplify right side
    410,835.90x = 252,700,006,099.46
  5. Step 5: Solve for x
    x = 252,700,006,099.46/410,835.90
  6. Step 6: Final answer
    x = 615,087.45

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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.