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Finding the Fourth Proportional to 580,605.61, 870,908.51 and 181,280.60

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Solution

The fourth proportional to 580,605.61, 870,908.51 and 181,280.60 is: 271,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,605.61 : 870,908.51 = 181,280.60 : x
  2. Step 2: Convert to fraction form
    580,605.61/870,908.51 = 181,280.60/x
  3. Step 3: Cross multiply
    580,605.61x = 870,908.51 × 181,280.60
  4. Step 4: Simplify right side
    580,605.61x = 157,878,817,419.85
  5. Step 5: Solve for x
    x = 157,878,817,419.85/580,605.61
  6. Step 6: Final answer
    x = 271,920.93

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1.5x scale

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.