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Finding the Fourth Proportional to 532,482.73, 734,856.03 and 290,787.77

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Solution

The fourth proportional to 532,482.73, 734,856.03 and 290,787.77 is: 401,303.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,482.73 : 734,856.03 = 290,787.77 : x
  2. Step 2: Convert to fraction form
    532,482.73/734,856.03 = 290,787.77/x
  3. Step 3: Cross multiply
    532,482.73x = 734,856.03 × 290,787.77
  4. Step 4: Simplify right side
    532,482.73x = 213,687,146,234.75
  5. Step 5: Solve for x
    x = 213,687,146,234.75/532,482.73
  6. Step 6: Final answer
    x = 401,303.43

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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.