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Finding the Fourth Proportional to 445,230.52, 614,510.82 and 409,363.72

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Solution

The fourth proportional to 445,230.52, 614,510.82 and 409,363.72 is: 565,007.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,230.52 : 614,510.82 = 409,363.72 : x
  2. Step 2: Convert to fraction form
    445,230.52/614,510.82 = 409,363.72/x
  3. Step 3: Cross multiply
    445,230.52x = 614,510.82 × 409,363.72
  4. Step 4: Simplify right side
    445,230.52x = 251,558,435,255.45
  5. Step 5: Solve for x
    x = 251,558,435,255.45/445,230.52
  6. Step 6: Final answer
    x = 565,007.17

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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.