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Finding the Fourth Proportional to 480,496.20, 663,027.12 and 265,607.08

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Solution

The fourth proportional to 480,496.20, 663,027.12 and 265,607.08 is: 366,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,496.20 : 663,027.12 = 265,607.08 : x
  2. Step 2: Convert to fraction form
    480,496.20/663,027.12 = 265,607.08/x
  3. Step 3: Cross multiply
    480,496.20x = 663,027.12 × 265,607.08
  4. Step 4: Simplify right side
    480,496.20x = 176,104,697,304.01
  5. Step 5: Solve for x
    x = 176,104,697,304.01/480,496.20
  6. Step 6: Final answer
    x = 366,505.91

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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.