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Finding the Fourth Proportional to 580,925.05, 871,125.13 and 206,957.77

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Solution

The fourth proportional to 580,925.05, 871,125.13 and 206,957.77 is: 310,343.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,925.05 : 871,125.13 = 206,957.77 : x
  2. Step 2: Convert to fraction form
    580,925.05/871,125.13 = 206,957.77/x
  3. Step 3: Cross multiply
    580,925.05x = 871,125.13 × 206,957.77
  4. Step 4: Simplify right side
    580,925.05x = 180,286,114,295.76
  5. Step 5: Solve for x
    x = 180,286,114,295.76/580,925.05
  6. Step 6: Final answer
    x = 310,343.16

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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.