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Finding the Fourth Proportional to 480,550.32, 663,126.72 and 265,661.28

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Solution

The fourth proportional to 480,550.32, 663,126.72 and 265,661.28 is: 366,594.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,550.32 : 663,126.72 = 265,661.28 : x
  2. Step 2: Convert to fraction form
    480,550.32/663,126.72 = 265,661.28/x
  3. Step 3: Cross multiply
    480,550.32x = 663,126.72 × 265,661.28
  4. Step 4: Simplify right side
    480,550.32x = 176,167,093,237.40
  5. Step 5: Solve for x
    x = 176,167,093,237.40/480,550.32
  6. Step 6: Final answer
    x = 366,594.48

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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.