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Finding the Fourth Proportional to 480,591.66, 663,169.73 and 265,702.30

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Solution

The fourth proportional to 480,591.66, 663,169.73 and 265,702.30 is: 366,643.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,591.66 : 663,169.73 = 265,702.30 : x
  2. Step 2: Convert to fraction form
    480,591.66/663,169.73 = 265,702.30/x
  3. Step 3: Cross multiply
    480,591.66x = 663,169.73 × 265,702.30
  4. Step 4: Simplify right side
    480,591.66x = 176,205,722,551.38
  5. Step 5: Solve for x
    x = 176,205,722,551.38/480,591.66
  6. Step 6: Final answer
    x = 366,643.32

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1.5x scale

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.