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Finding the Fourth Proportional to 587,488.12, 810,736.28 and 332,888.92

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Solution

The fourth proportional to 587,488.12, 810,736.28 and 332,888.92 is: 459,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,488.12 : 810,736.28 = 332,888.92 : x
  2. Step 2: Convert to fraction form
    587,488.12/810,736.28 = 332,888.92/x
  3. Step 3: Cross multiply
    587,488.12x = 810,736.28 × 332,888.92
  4. Step 4: Simplify right side
    587,488.12x = 269,885,124,654.02
  5. Step 5: Solve for x
    x = 269,885,124,654.02/587,488.12
  6. Step 6: Final answer
    x = 459,388.22

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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.