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Finding the Fourth Proportional to 498,801.45, 747,710.10 and 245,874.90

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Solution

The fourth proportional to 498,801.45, 747,710.10 and 245,874.90 is: 368,569.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,801.45 : 747,710.10 = 245,874.90 : x
  2. Step 2: Convert to fraction form
    498,801.45/747,710.10 = 245,874.90/x
  3. Step 3: Cross multiply
    498,801.45x = 747,710.10 × 245,874.90
  4. Step 4: Simplify right side
    498,801.45x = 183,843,146,066.49
  5. Step 5: Solve for x
    x = 183,843,146,066.49/498,801.45
  6. Step 6: Final answer
    x = 368,569.79

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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.