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Finding the Fourth Proportional to 433,625.74, 650,434.95 and 338,935.57

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Solution

The fourth proportional to 433,625.74, 650,434.95 and 338,935.57 is: 508,400.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,625.74 : 650,434.95 = 338,935.57 : x
  2. Step 2: Convert to fraction form
    433,625.74/650,434.95 = 338,935.57/x
  3. Step 3: Cross multiply
    433,625.74x = 650,434.95 × 338,935.57
  4. Step 4: Simplify right side
    433,625.74x = 220,455,538,900.08
  5. Step 5: Solve for x
    x = 220,455,538,900.08/433,625.74
  6. Step 6: Final answer
    x = 508,400.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.