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Finding the Fourth Proportional to 417,932.40, 626,898.60 and 252,044.40

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Solution

The fourth proportional to 417,932.40, 626,898.60 and 252,044.40 is: 378,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,932.40 : 626,898.60 = 252,044.40 : x
  2. Step 2: Convert to fraction form
    417,932.40/626,898.60 = 252,044.40/x
  3. Step 3: Cross multiply
    417,932.40x = 626,898.60 × 252,044.40
  4. Step 4: Simplify right side
    417,932.40x = 158,006,281,497.84
  5. Step 5: Solve for x
    x = 158,006,281,497.84/417,932.40
  6. Step 6: Final answer
    x = 378,066.60

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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.