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Finding the Fourth Proportional to 480,523.30, 663,135.99 and 265,677.23

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Solution

The fourth proportional to 480,523.30, 663,135.99 and 265,677.23 is: 366,642.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,523.30 : 663,135.99 = 265,677.23 : x
  2. Step 2: Convert to fraction form
    480,523.30/663,135.99 = 265,677.23/x
  3. Step 3: Cross multiply
    480,523.30x = 663,135.99 × 265,677.23
  4. Step 4: Simplify right side
    480,523.30x = 176,180,132,936.51
  5. Step 5: Solve for x
    x = 176,180,132,936.51/480,523.30
  6. Step 6: Final answer
    x = 366,642.23

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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.