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Finding the Fourth Proportional to 567,497.70, 851,246.55 and 476,259.30

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Solution

The fourth proportional to 567,497.70, 851,246.55 and 476,259.30 is: 714,388.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,497.70 : 851,246.55 = 476,259.30 : x
  2. Step 2: Convert to fraction form
    567,497.70/851,246.55 = 476,259.30/x
  3. Step 3: Cross multiply
    567,497.70x = 851,246.55 × 476,259.30
  4. Step 4: Simplify right side
    567,497.70x = 405,414,086,030.42
  5. Step 5: Solve for x
    x = 405,414,086,030.42/567,497.70
  6. Step 6: Final answer
    x = 714,388.95

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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.