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Finding the Fourth Proportional to 480,652.80, 663,312.21 and 265,797.06

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Solution

The fourth proportional to 480,652.80, 663,312.21 and 265,797.06 is: 366,806.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,652.80 : 663,312.21 = 265,797.06 : x
  2. Step 2: Convert to fraction form
    480,652.80/663,312.21 = 265,797.06/x
  3. Step 3: Cross multiply
    480,652.80x = 663,312.21 × 265,797.06
  4. Step 4: Simplify right side
    480,652.80x = 176,306,435,280.10
  5. Step 5: Solve for x
    x = 176,306,435,280.10/480,652.80
  6. Step 6: Final answer
    x = 366,806.22

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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.