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Finding the Fourth Proportional to 567,444.80, 851,167.20 and 251,566.40

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Solution

The fourth proportional to 567,444.80, 851,167.20 and 251,566.40 is: 377,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,444.80 : 851,167.20 = 251,566.40 : x
  2. Step 2: Convert to fraction form
    567,444.80/851,167.20 = 251,566.40/x
  3. Step 3: Cross multiply
    567,444.80x = 851,167.20 × 251,566.40
  4. Step 4: Simplify right side
    567,444.80x = 214,125,068,302.08
  5. Step 5: Solve for x
    x = 214,125,068,302.08/567,444.80
  6. Step 6: Final answer
    x = 377,349.60

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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.