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Finding the Fourth Proportional to 546,048.30, 819,072.45 and 451,569.90

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Solution

The fourth proportional to 546,048.30, 819,072.45 and 451,569.90 is: 677,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,048.30 : 819,072.45 = 451,569.90 : x
  2. Step 2: Convert to fraction form
    546,048.30/819,072.45 = 451,569.90/x
  3. Step 3: Cross multiply
    546,048.30x = 819,072.45 × 451,569.90
  4. Step 4: Simplify right side
    546,048.30x = 369,868,464,339.26
  5. Step 5: Solve for x
    x = 369,868,464,339.26/546,048.30
  6. Step 6: Final answer
    x = 677,354.85

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Similar ratio
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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.