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Finding the Fourth Proportional to 580,931.80, 871,398.36 and 181,574.68

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Solution

The fourth proportional to 580,931.80, 871,398.36 and 181,574.68 is: 272,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,931.80 : 871,398.36 = 181,574.68 : x
  2. Step 2: Convert to fraction form
    580,931.80/871,398.36 = 181,574.68/x
  3. Step 3: Cross multiply
    580,931.80x = 871,398.36 × 181,574.68
  4. Step 4: Simplify right side
    580,931.80x = 158,223,878,369.53
  5. Step 5: Solve for x
    x = 158,223,878,369.53/580,931.80
  6. Step 6: Final answer
    x = 272,362.23

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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.