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Finding the Fourth Proportional to 425,502.54, 587,007.45 and 304,599.69

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Solution

The fourth proportional to 425,502.54, 587,007.45 and 304,599.69 is: 420,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,502.54 : 587,007.45 = 304,599.69 : x
  2. Step 2: Convert to fraction form
    425,502.54/587,007.45 = 304,599.69/x
  3. Step 3: Cross multiply
    425,502.54x = 587,007.45 × 304,599.69
  4. Step 4: Simplify right side
    425,502.54x = 178,802,287,297.69
  5. Step 5: Solve for x
    x = 178,802,287,297.69/425,502.54
  6. Step 6: Final answer
    x = 420,214.38

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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.