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Finding the Fourth Proportional to 542,684.05, 748,948.83 and 301,044.55

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Solution

The fourth proportional to 542,684.05, 748,948.83 and 301,044.55 is: 415,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,684.05 : 748,948.83 = 301,044.55 : x
  2. Step 2: Convert to fraction form
    542,684.05/748,948.83 = 301,044.55/x
  3. Step 3: Cross multiply
    542,684.05x = 748,948.83 × 301,044.55
  4. Step 4: Simplify right side
    542,684.05x = 225,466,963,500.38
  5. Step 5: Solve for x
    x = 225,466,963,500.38/542,684.05
  6. Step 6: Final answer
    x = 415,466.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.