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Finding the Fourth Proportional to 580,032.80, 870,049.20 and 510,048.80

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Solution

The fourth proportional to 580,032.80, 870,049.20 and 510,048.80 is: 765,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,032.80 : 870,049.20 = 510,048.80 : x
  2. Step 2: Convert to fraction form
    580,032.80/870,049.20 = 510,048.80/x
  3. Step 3: Cross multiply
    580,032.80x = 870,049.20 × 510,048.80
  4. Step 4: Simplify right side
    580,032.80x = 443,767,550,400.96
  5. Step 5: Solve for x
    x = 443,767,550,400.96/580,032.80
  6. Step 6: Final answer
    x = 765,073.20

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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.