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Finding the Fourth Proportional to 453,155.72, 625,306.43 and 262,133.42

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Solution

The fourth proportional to 453,155.72, 625,306.43 and 262,133.42 is: 361,716.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,155.72 : 625,306.43 = 262,133.42 : x
  2. Step 2: Convert to fraction form
    453,155.72/625,306.43 = 262,133.42/x
  3. Step 3: Cross multiply
    453,155.72x = 625,306.43 × 262,133.42
  4. Step 4: Simplify right side
    453,155.72x = 163,913,710,572.69
  5. Step 5: Solve for x
    x = 163,913,710,572.69/453,155.72
  6. Step 6: Final answer
    x = 361,716.08

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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.