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Finding the Fourth Proportional to 611,066.80, 916,596.55 and 332,355.52

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Solution

The fourth proportional to 611,066.80, 916,596.55 and 332,355.52 is: 498,531.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,066.80 : 916,596.55 = 332,355.52 : x
  2. Step 2: Convert to fraction form
    611,066.80/916,596.55 = 332,355.52/x
  3. Step 3: Cross multiply
    611,066.80x = 916,596.55 × 332,355.52
  4. Step 4: Simplify right side
    611,066.80x = 304,635,923,005.46
  5. Step 5: Solve for x
    x = 304,635,923,005.46/611,066.80
  6. Step 6: Final answer
    x = 498,531.29

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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.