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Finding the Fourth Proportional to 871,468.95, 1,202,656.32 and 484,300.69

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Solution

The fourth proportional to 871,468.95, 1,202,656.32 and 484,300.69 is: 668,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,468.95 : 1,202,656.32 = 484,300.69 : x
  2. Step 2: Convert to fraction form
    871,468.95/1,202,656.32 = 484,300.69/x
  3. Step 3: Cross multiply
    871,468.95x = 1,202,656.32 × 484,300.69
  4. Step 4: Simplify right side
    871,468.95x = 582,447,278,384.83
  5. Step 5: Solve for x
    x = 582,447,278,384.83/871,468.95
  6. Step 6: Final answer
    x = 668,351.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.