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Finding the Fourth Proportional to 598,674.80, 898,012.20 and 575,055.20

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Solution

The fourth proportional to 598,674.80, 898,012.20 and 575,055.20 is: 862,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,674.80 : 898,012.20 = 575,055.20 : x
  2. Step 2: Convert to fraction form
    598,674.80/898,012.20 = 575,055.20/x
  3. Step 3: Cross multiply
    598,674.80x = 898,012.20 × 575,055.20
  4. Step 4: Simplify right side
    598,674.80x = 516,406,585,273.44
  5. Step 5: Solve for x
    x = 516,406,585,273.44/598,674.80
  6. Step 6: Final answer
    x = 862,582.80

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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.