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Finding the Fourth Proportional to 580,275.90, 870,731.57 and 225,303.93

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Solution

The fourth proportional to 580,275.90, 870,731.57 and 225,303.93 is: 338,079.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,275.90 : 870,731.57 = 225,303.93 : x
  2. Step 2: Convert to fraction form
    580,275.90/870,731.57 = 225,303.93/x
  3. Step 3: Cross multiply
    580,275.90x = 870,731.57 × 225,303.93
  4. Step 4: Simplify right side
    580,275.90x = 196,179,245,259.33
  5. Step 5: Solve for x
    x = 196,179,245,259.33/580,275.90
  6. Step 6: Final answer
    x = 338,079.26

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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.