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Finding the Fourth Proportional to 583,454.43, 805,164.11 and 338,488.73

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Solution

The fourth proportional to 583,454.43, 805,164.11 and 338,488.73 is: 467,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,454.43 : 805,164.11 = 338,488.73 : x
  2. Step 2: Convert to fraction form
    583,454.43/805,164.11 = 338,488.73/x
  3. Step 3: Cross multiply
    583,454.43x = 805,164.11 × 338,488.73
  4. Step 4: Simplify right side
    583,454.43x = 272,538,971,317.22
  5. Step 5: Solve for x
    x = 272,538,971,317.22/583,454.43
  6. Step 6: Final answer
    x = 467,112.70

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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.