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Finding the Fourth Proportional to 488,424.20, 733,511.10 and 355,454.60

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Solution

The fourth proportional to 488,424.20, 733,511.10 and 355,454.60 is: 533,818.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,424.20 : 733,511.10 = 355,454.60 : x
  2. Step 2: Convert to fraction form
    488,424.20/733,511.10 = 355,454.60/x
  3. Step 3: Cross multiply
    488,424.20x = 733,511.10 × 355,454.60
  4. Step 4: Simplify right side
    488,424.20x = 260,729,894,646.06
  5. Step 5: Solve for x
    x = 260,729,894,646.06/488,424.20
  6. Step 6: Final answer
    x = 533,818.54

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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.