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Finding the Fourth Proportional to 584,418.30, 876,627.45 and 571,296.30

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Solution

The fourth proportional to 584,418.30, 876,627.45 and 571,296.30 is: 856,944.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,418.30 : 876,627.45 = 571,296.30 : x
  2. Step 2: Convert to fraction form
    584,418.30/876,627.45 = 571,296.30/x
  3. Step 3: Cross multiply
    584,418.30x = 876,627.45 × 571,296.30
  4. Step 4: Simplify right side
    584,418.30x = 500,814,018,663.44
  5. Step 5: Solve for x
    x = 500,814,018,663.44/584,418.30
  6. Step 6: Final answer
    x = 856,944.45

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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.