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Finding the Fourth Proportional to 580,543.71, 870,359.25 and 366,862.19

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Solution

The fourth proportional to 580,543.71, 870,359.25 and 366,862.19 is: 550,004.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,543.71 : 870,359.25 = 366,862.19 : x
  2. Step 2: Convert to fraction form
    580,543.71/870,359.25 = 366,862.19/x
  3. Step 3: Cross multiply
    580,543.71x = 870,359.25 × 366,862.19
  4. Step 4: Simplify right side
    580,543.71x = 319,301,902,461.47
  5. Step 5: Solve for x
    x = 319,301,902,461.47/580,543.71
  6. Step 6: Final answer
    x = 550,004.93

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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.