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Finding the Fourth Proportional to 225,673.29, 336,158.71 and 213,692.48

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Solution

The fourth proportional to 225,673.29, 336,158.71 and 213,692.48 is: 318,312.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,673.29 : 336,158.71 = 213,692.48 : x
  2. Step 2: Convert to fraction form
    225,673.29/336,158.71 = 213,692.48/x
  3. Step 3: Cross multiply
    225,673.29x = 336,158.71 × 213,692.48
  4. Step 4: Simplify right side
    225,673.29x = 71,834,587,459.07
  5. Step 5: Solve for x
    x = 71,834,587,459.07/225,673.29
  6. Step 6: Final answer
    x = 318,312.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.