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Finding the Fourth Proportional to 585,020.80, 877,531.20 and 506,288.80

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Solution

The fourth proportional to 585,020.80, 877,531.20 and 506,288.80 is: 759,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,020.80 : 877,531.20 = 506,288.80 : x
  2. Step 2: Convert to fraction form
    585,020.80/877,531.20 = 506,288.80/x
  3. Step 3: Cross multiply
    585,020.80x = 877,531.20 × 506,288.80
  4. Step 4: Simplify right side
    585,020.80x = 444,284,218,210.56
  5. Step 5: Solve for x
    x = 444,284,218,210.56/585,020.80
  6. Step 6: Final answer
    x = 759,433.20

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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.