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Finding the Fourth Proportional to 376,510.95, 564,790.95 and 123,723.81

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Solution

The fourth proportional to 376,510.95, 564,790.95 and 123,723.81 is: 185,593.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,510.95 : 564,790.95 = 123,723.81 : x
  2. Step 2: Convert to fraction form
    376,510.95/564,790.95 = 123,723.81/x
  3. Step 3: Cross multiply
    376,510.95x = 564,790.95 × 123,723.81
  4. Step 4: Simplify right side
    376,510.95x = 69,878,088,187.52
  5. Step 5: Solve for x
    x = 69,878,088,187.52/376,510.95
  6. Step 6: Final answer
    x = 185,593.77

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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.