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Finding the Fourth Proportional to 454,047.66, 626,658.93 and 263,171.16

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Solution

The fourth proportional to 454,047.66, 626,658.93 and 263,171.16 is: 363,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,047.66 : 626,658.93 = 263,171.16 : x
  2. Step 2: Convert to fraction form
    454,047.66/626,658.93 = 263,171.16/x
  3. Step 3: Cross multiply
    454,047.66x = 626,658.93 × 263,171.16
  4. Step 4: Simplify right side
    454,047.66x = 164,918,557,532.46
  5. Step 5: Solve for x
    x = 164,918,557,532.46/454,047.66
  6. Step 6: Final answer
    x = 363,218.60

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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.