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Finding the Fourth Proportional to 580,641.06, 870,877.10 and 181,188.90

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Solution

The fourth proportional to 580,641.06, 870,877.10 and 181,188.90 is: 271,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,641.06 : 870,877.10 = 181,188.90 : x
  2. Step 2: Convert to fraction form
    580,641.06/870,877.10 = 181,188.90/x
  3. Step 3: Cross multiply
    580,641.06x = 870,877.10 × 181,188.90
  4. Step 4: Simplify right side
    580,641.06x = 157,793,263,784.19
  5. Step 5: Solve for x
    x = 157,793,263,784.19/580,641.06
  6. Step 6: Final answer
    x = 271,756.98

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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.