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Finding the Fourth Proportional to 488,026.20, 732,039.30 and 346,308.60

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Solution

The fourth proportional to 488,026.20, 732,039.30 and 346,308.60 is: 519,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,026.20 : 732,039.30 = 346,308.60 : x
  2. Step 2: Convert to fraction form
    488,026.20/732,039.30 = 346,308.60/x
  3. Step 3: Cross multiply
    488,026.20x = 732,039.30 × 346,308.60
  4. Step 4: Simplify right side
    488,026.20x = 253,511,505,127.98
  5. Step 5: Solve for x
    x = 253,511,505,127.98/488,026.20
  6. Step 6: Final answer
    x = 519,462.90

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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.