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Finding the Fourth Proportional to 587,233.94, 810,439.70 and 329,154.71

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Solution

The fourth proportional to 587,233.94, 810,439.70 and 329,154.71 is: 454,265.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,233.94 : 810,439.70 = 329,154.71 : x
  2. Step 2: Convert to fraction form
    587,233.94/810,439.70 = 329,154.71/x
  3. Step 3: Cross multiply
    587,233.94x = 810,439.70 × 329,154.71
  4. Step 4: Simplify right side
    587,233.94x = 266,760,038,728.02
  5. Step 5: Solve for x
    x = 266,760,038,728.02/587,233.94
  6. Step 6: Final answer
    x = 454,265.37

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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.