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Finding the Fourth Proportional to 604,060.80, 906,790.80 and 324,124.80

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Solution

The fourth proportional to 604,060.80, 906,790.80 and 324,124.80 is: 486,562.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,060.80 : 906,790.80 = 324,124.80 : x
  2. Step 2: Convert to fraction form
    604,060.80/906,790.80 = 324,124.80/x
  3. Step 3: Cross multiply
    604,060.80x = 906,790.80 × 324,124.80
  4. Step 4: Simplify right side
    604,060.80x = 293,913,386,691.84
  5. Step 5: Solve for x
    x = 293,913,386,691.84/604,060.80
  6. Step 6: Final answer
    x = 486,562.59

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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.