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Finding the Fourth Proportional to 598,574.80, 897,862.20 and 155,342.80

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Solution

The fourth proportional to 598,574.80, 897,862.20 and 155,342.80 is: 233,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,574.80 : 897,862.20 = 155,342.80 : x
  2. Step 2: Convert to fraction form
    598,574.80/897,862.20 = 155,342.80/x
  3. Step 3: Cross multiply
    598,574.80x = 897,862.20 × 155,342.80
  4. Step 4: Simplify right side
    598,574.80x = 139,476,428,162.16
  5. Step 5: Solve for x
    x = 139,476,428,162.16/598,574.80
  6. Step 6: Final answer
    x = 233,014.20

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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.