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Finding the Fourth Proportional to 580,476.60, 870,649.56 and 201,327.48

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Solution

The fourth proportional to 580,476.60, 870,649.56 and 201,327.48 is: 301,968.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,476.60 : 870,649.56 = 201,327.48 : x
  2. Step 2: Convert to fraction form
    580,476.60/870,649.56 = 201,327.48/x
  3. Step 3: Cross multiply
    580,476.60x = 870,649.56 × 201,327.48
  4. Step 4: Simplify right side
    580,476.60x = 175,285,681,877.91
  5. Step 5: Solve for x
    x = 175,285,681,877.91/580,476.60
  6. Step 6: Final answer
    x = 301,968.56

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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.