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Finding the Fourth Proportional to 580,549.60, 870,759.06 and 201,400.48

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Solution

The fourth proportional to 580,549.60, 870,759.06 and 201,400.48 is: 302,078.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,549.60 : 870,759.06 = 201,400.48 : x
  2. Step 2: Convert to fraction form
    580,549.60/870,759.06 = 201,400.48/x
  3. Step 3: Cross multiply
    580,549.60x = 870,759.06 × 201,400.48
  4. Step 4: Simplify right side
    580,549.60x = 175,371,292,648.35
  5. Step 5: Solve for x
    x = 175,371,292,648.35/580,549.60
  6. Step 6: Final answer
    x = 302,078.05

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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.