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Finding the Fourth Proportional to 454,085.01, 626,637.45 and 263,209.11

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Solution

The fourth proportional to 454,085.01, 626,637.45 and 263,209.11 is: 363,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,085.01 : 626,637.45 = 263,209.11 : x
  2. Step 2: Convert to fraction form
    454,085.01/626,637.45 = 263,209.11/x
  3. Step 3: Cross multiply
    454,085.01x = 626,637.45 × 263,209.11
  4. Step 4: Simplify right side
    454,085.01x = 164,936,685,507.17
  5. Step 5: Solve for x
    x = 164,936,685,507.17/454,085.01
  6. Step 6: Final answer
    x = 363,228.65

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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.