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Finding the Fourth Proportional to 586,542.75, 879,851.39 and 165,851.43

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Solution

The fourth proportional to 586,542.75, 879,851.39 and 165,851.43 is: 248,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,542.75 : 879,851.39 = 165,851.43 : x
  2. Step 2: Convert to fraction form
    586,542.75/879,851.39 = 165,851.43/x
  3. Step 3: Cross multiply
    586,542.75x = 879,851.39 × 165,851.43
  4. Step 4: Simplify right side
    586,542.75x = 145,924,610,389.73
  5. Step 5: Solve for x
    x = 145,924,610,389.73/586,542.75
  6. Step 6: Final answer
    x = 248,787.68

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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.