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Finding the Fourth Proportional to 361,851.20, 542,776.80 and 346,493.60

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Solution

The fourth proportional to 361,851.20, 542,776.80 and 346,493.60 is: 519,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,851.20 : 542,776.80 = 346,493.60 : x
  2. Step 2: Convert to fraction form
    361,851.20/542,776.80 = 346,493.60/x
  3. Step 3: Cross multiply
    361,851.20x = 542,776.80 × 346,493.60
  4. Step 4: Simplify right side
    361,851.20x = 188,068,687,428.48
  5. Step 5: Solve for x
    x = 188,068,687,428.48/361,851.20
  6. Step 6: Final answer
    x = 519,740.40

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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.