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Finding the Fourth Proportional to 488,447.20, 733,545.60 and 355,477.60

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Solution

The fourth proportional to 488,447.20, 733,545.60 and 355,477.60 is: 533,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,447.20 : 733,545.60 = 355,477.60 : x
  2. Step 2: Convert to fraction form
    488,447.20/733,545.60 = 355,477.60/x
  3. Step 3: Cross multiply
    488,447.20x = 733,545.60 × 355,477.60
  4. Step 4: Simplify right side
    488,447.20x = 260,759,029,378.56
  5. Step 5: Solve for x
    x = 260,759,029,378.56/488,447.20
  6. Step 6: Final answer
    x = 533,853.05

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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.