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Finding the Fourth Proportional to 580,657.41, 870,985.78 and 181,332.41

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Solution

The fourth proportional to 580,657.41, 870,985.78 and 181,332.41 is: 271,998.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,657.41 : 870,985.78 = 181,332.41 : x
  2. Step 2: Convert to fraction form
    580,657.41/870,985.78 = 181,332.41/x
  3. Step 3: Cross multiply
    580,657.41x = 870,985.78 × 181,332.41
  4. Step 4: Simplify right side
    580,657.41x = 157,937,945,754.87
  5. Step 5: Solve for x
    x = 157,937,945,754.87/580,657.41
  6. Step 6: Final answer
    x = 271,998.50

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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.