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Finding the Fourth Proportional to 488,166.80, 730,824.60 and 348,198.80

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Solution

The fourth proportional to 488,166.80, 730,824.60 and 348,198.80 is: 521,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,166.80 : 730,824.60 = 348,198.80 : x
  2. Step 2: Convert to fraction form
    488,166.80/730,824.60 = 348,198.80/x
  3. Step 3: Cross multiply
    488,166.80x = 730,824.60 × 348,198.80
  4. Step 4: Simplify right side
    488,166.80x = 254,472,248,730.48
  5. Step 5: Solve for x
    x = 254,472,248,730.48/488,166.80
  6. Step 6: Final answer
    x = 521,281.35

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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.