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Finding the Fourth Proportional to 598,760.80, 898,141.20 and 559,103.20

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Solution

The fourth proportional to 598,760.80, 898,141.20 and 559,103.20 is: 838,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,760.80 : 898,141.20 = 559,103.20 : x
  2. Step 2: Convert to fraction form
    598,760.80/898,141.20 = 559,103.20/x
  3. Step 3: Cross multiply
    598,760.80x = 898,141.20 × 559,103.20
  4. Step 4: Simplify right side
    598,760.80x = 502,153,618,971.84
  5. Step 5: Solve for x
    x = 502,153,618,971.84/598,760.80
  6. Step 6: Final answer
    x = 838,654.80

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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.