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Finding the Fourth Proportional to 574,385.33, 861,582.27 and 214,637.50

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Solution

The fourth proportional to 574,385.33, 861,582.27 and 214,637.50 is: 321,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,385.33 : 861,582.27 = 214,637.50 : x
  2. Step 2: Convert to fraction form
    574,385.33/861,582.27 = 214,637.50/x
  3. Step 3: Cross multiply
    574,385.33x = 861,582.27 × 214,637.50
  4. Step 4: Simplify right side
    574,385.33x = 184,927,866,358.99
  5. Step 5: Solve for x
    x = 184,927,866,358.99/574,385.33
  6. Step 6: Final answer
    x = 321,957.85

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Double scale
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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.