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Finding the Fourth Proportional to 425,646.84, 587,396.76 and 234,667.20

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Solution

The fourth proportional to 425,646.84, 587,396.76 and 234,667.20 is: 323,843.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,646.84 : 587,396.76 = 234,667.20 : x
  2. Step 2: Convert to fraction form
    425,646.84/587,396.76 = 234,667.20/x
  3. Step 3: Cross multiply
    425,646.84x = 587,396.76 × 234,667.20
  4. Step 4: Simplify right side
    425,646.84x = 137,842,752,958.27
  5. Step 5: Solve for x
    x = 137,842,752,958.27/425,646.84
  6. Step 6: Final answer
    x = 323,843.01

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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.