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Finding the Fourth Proportional to 546,045.80, 819,068.70 and 451,567.40

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Solution

The fourth proportional to 546,045.80, 819,068.70 and 451,567.40 is: 677,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,045.80 : 819,068.70 = 451,567.40 : x
  2. Step 2: Convert to fraction form
    546,045.80/819,068.70 = 451,567.40/x
  3. Step 3: Cross multiply
    546,045.80x = 819,068.70 × 451,567.40
  4. Step 4: Simplify right side
    546,045.80x = 369,864,723,280.38
  5. Step 5: Solve for x
    x = 369,864,723,280.38/546,045.80
  6. Step 6: Final answer
    x = 677,351.10

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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.