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Finding the Fourth Proportional to 425,187, 586,758.06 and 234,199.80

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Solution

The fourth proportional to 425,187, 586,758.06 and 234,199.80 is: 323,195.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,187 : 586,758.06 = 234,199.80 : x
  2. Step 2: Convert to fraction form
    425,187/586,758.06 = 234,199.80/x
  3. Step 3: Cross multiply
    425,187x = 586,758.06 × 234,199.80
  4. Step 4: Simplify right side
    425,187x = 137,418,620,300.39
  5. Step 5: Solve for x
    x = 137,418,620,300.39/425,187
  6. Step 6: Final answer
    x = 323,195.72

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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.