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Finding the Fourth Proportional to 654,645.81, 903,446.96 and 368,182.83

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Solution

The fourth proportional to 654,645.81, 903,446.96 and 368,182.83 is: 508,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,645.81 : 903,446.96 = 368,182.83 : x
  2. Step 2: Convert to fraction form
    654,645.81/903,446.96 = 368,182.83/x
  3. Step 3: Cross multiply
    654,645.81x = 903,446.96 × 368,182.83
  4. Step 4: Simplify right side
    654,645.81x = 332,633,656,646.78
  5. Step 5: Solve for x
    x = 332,633,656,646.78/654,645.81
  6. Step 6: Final answer
    x = 508,112.40

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1.5x scale

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.