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Finding the Fourth Proportional to 536,663.60, 804,995.40 and 402,819.20

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Solution

The fourth proportional to 536,663.60, 804,995.40 and 402,819.20 is: 604,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,663.60 : 804,995.40 = 402,819.20 : x
  2. Step 2: Convert to fraction form
    536,663.60/804,995.40 = 402,819.20/x
  3. Step 3: Cross multiply
    536,663.60x = 804,995.40 × 402,819.20
  4. Step 4: Simplify right side
    536,663.60x = 324,267,603,031.68
  5. Step 5: Solve for x
    x = 324,267,603,031.68/536,663.60
  6. Step 6: Final answer
    x = 604,228.80

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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.