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Finding the Fourth Proportional to 480,765.08, 663,475.88 and 276,810.92

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Solution

The fourth proportional to 480,765.08, 663,475.88 and 276,810.92 is: 382,010.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,765.08 : 663,475.88 = 276,810.92 : x
  2. Step 2: Convert to fraction form
    480,765.08/663,475.88 = 276,810.92/x
  3. Step 3: Cross multiply
    480,765.08x = 663,475.88 × 276,810.92
  4. Step 4: Simplify right side
    480,765.08x = 183,657,368,740.61
  5. Step 5: Solve for x
    x = 183,657,368,740.61/480,765.08
  6. Step 6: Final answer
    x = 382,010.63

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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.