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Finding the Fourth Proportional to 551,472.10, 825,458.55 and 551,472.10

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Solution

The fourth proportional to 551,472.10, 825,458.55 and 551,472.10 is: 825,458.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,472.10 : 825,458.55 = 551,472.10 : x
  2. Step 2: Convert to fraction form
    551,472.10/825,458.55 = 551,472.10/x
  3. Step 3: Cross multiply
    551,472.10x = 825,458.55 × 551,472.10
  4. Step 4: Simplify right side
    551,472.10x = 455,217,360,031.46
  5. Step 5: Solve for x
    x = 455,217,360,031.46/551,472.10
  6. Step 6: Final answer
    x = 825,458.55

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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.