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Finding the Fourth Proportional to 478,535.80, 717,630.90 and 241,799.80

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Solution

The fourth proportional to 478,535.80, 717,630.90 and 241,799.80 is: 362,612.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,535.80 : 717,630.90 = 241,799.80 : x
  2. Step 2: Convert to fraction form
    478,535.80/717,630.90 = 241,799.80/x
  3. Step 3: Cross multiply
    478,535.80x = 717,630.90 × 241,799.80
  4. Step 4: Simplify right side
    478,535.80x = 173,523,008,093.82
  5. Step 5: Solve for x
    x = 173,523,008,093.82/478,535.80
  6. Step 6: Final answer
    x = 362,612.39

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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.