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Finding the Fourth Proportional to 644,595.20, 966,892.80 and 584,460.80

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Solution

The fourth proportional to 644,595.20, 966,892.80 and 584,460.80 is: 876,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,595.20 : 966,892.80 = 584,460.80 : x
  2. Step 2: Convert to fraction form
    644,595.20/966,892.80 = 584,460.80/x
  3. Step 3: Cross multiply
    644,595.20x = 966,892.80 × 584,460.80
  4. Step 4: Simplify right side
    644,595.20x = 565,110,939,402.24
  5. Step 5: Solve for x
    x = 565,110,939,402.24/644,595.20
  6. Step 6: Final answer
    x = 876,691.20

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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.