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Finding the Fourth Proportional to 488,566.20, 732,849.30 and 404,585.40

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Solution

The fourth proportional to 488,566.20, 732,849.30 and 404,585.40 is: 606,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,566.20 : 732,849.30 = 404,585.40 : x
  2. Step 2: Convert to fraction form
    488,566.20/732,849.30 = 404,585.40/x
  3. Step 3: Cross multiply
    488,566.20x = 732,849.30 × 404,585.40
  4. Step 4: Simplify right side
    488,566.20x = 296,500,127,180.22
  5. Step 5: Solve for x
    x = 296,500,127,180.22/488,566.20
  6. Step 6: Final answer
    x = 606,878.10

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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.