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Finding the Fourth Proportional to 480,724.84, 663,411.92 and 262,953.98

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Solution

The fourth proportional to 480,724.84, 663,411.92 and 262,953.98 is: 362,882.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,724.84 : 663,411.92 = 262,953.98 : x
  2. Step 2: Convert to fraction form
    480,724.84/663,411.92 = 262,953.98/x
  3. Step 3: Cross multiply
    480,724.84x = 663,411.92 × 262,953.98
  4. Step 4: Simplify right side
    480,724.84x = 174,446,803,338.97
  5. Step 5: Solve for x
    x = 174,446,803,338.97/480,724.84
  6. Step 6: Final answer
    x = 362,882.85

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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.