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Finding the Fourth Proportional to 587,426.76, 810,681.12 and 332,827.56

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Solution

The fourth proportional to 587,426.76, 810,681.12 and 332,827.56 is: 459,320.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,426.76 : 810,681.12 = 332,827.56 : x
  2. Step 2: Convert to fraction form
    587,426.76/810,681.12 = 332,827.56/x
  3. Step 3: Cross multiply
    587,426.76x = 810,681.12 × 332,827.56
  4. Step 4: Simplify right side
    587,426.76x = 269,817,019,107.67
  5. Step 5: Solve for x
    x = 269,817,019,107.67/587,426.76
  6. Step 6: Final answer
    x = 459,320.27

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Double scale
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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.