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Finding the Fourth Proportional to 488,304.40, 732,456.60 and 346,586.80

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Solution

The fourth proportional to 488,304.40, 732,456.60 and 346,586.80 is: 519,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,304.40 : 732,456.60 = 346,586.80 : x
  2. Step 2: Convert to fraction form
    488,304.40/732,456.60 = 346,586.80/x
  3. Step 3: Cross multiply
    488,304.40x = 732,456.60 × 346,586.80
  4. Step 4: Simplify right side
    488,304.40x = 253,859,789,132.88
  5. Step 5: Solve for x
    x = 253,859,789,132.88/488,304.40
  6. Step 6: Final answer
    x = 519,880.20

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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.