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Finding the Fourth Proportional to 480,787.87, 663,442.67 and 265,923.32

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Solution

The fourth proportional to 480,787.87, 663,442.67 and 265,923.32 is: 366,949.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,787.87 : 663,442.67 = 265,923.32 : x
  2. Step 2: Convert to fraction form
    480,787.87/663,442.67 = 265,923.32/x
  3. Step 3: Cross multiply
    480,787.87x = 663,442.67 × 265,923.32
  4. Step 4: Simplify right side
    480,787.87x = 176,424,875,277.14
  5. Step 5: Solve for x
    x = 176,424,875,277.14/480,787.87
  6. Step 6: Final answer
    x = 366,949.52

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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.