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Finding the Fourth Proportional to 578,082.18, 797,686.86 and 333,102.66

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Solution

The fourth proportional to 578,082.18, 797,686.86 and 333,102.66 is: 459,643.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,082.18 : 797,686.86 = 333,102.66 : x
  2. Step 2: Convert to fraction form
    578,082.18/797,686.86 = 333,102.66/x
  3. Step 3: Cross multiply
    578,082.18x = 797,686.86 × 333,102.66
  4. Step 4: Simplify right side
    578,082.18x = 265,711,614,913.05
  5. Step 5: Solve for x
    x = 265,711,614,913.05/578,082.18
  6. Step 6: Final answer
    x = 459,643.32

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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.