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Finding the Fourth Proportional to 488,551.10, 732,826.65 and 409,819.10

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Solution

The fourth proportional to 488,551.10, 732,826.65 and 409,819.10 is: 614,728.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,551.10 : 732,826.65 = 409,819.10 : x
  2. Step 2: Convert to fraction form
    488,551.10/732,826.65 = 409,819.10/x
  3. Step 3: Cross multiply
    488,551.10x = 732,826.65 × 409,819.10
  4. Step 4: Simplify right side
    488,551.10x = 300,326,358,159.02
  5. Step 5: Solve for x
    x = 300,326,358,159.02/488,551.10
  6. Step 6: Final answer
    x = 614,728.65

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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.