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Finding the Fourth Proportional to 552,467.56, 762,397.57 and 310,750.30

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Solution

The fourth proportional to 552,467.56, 762,397.57 and 310,750.30 is: 428,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,467.56 : 762,397.57 = 310,750.30 : x
  2. Step 2: Convert to fraction form
    552,467.56/762,397.57 = 310,750.30/x
  3. Step 3: Cross multiply
    552,467.56x = 762,397.57 × 310,750.30
  4. Step 4: Simplify right side
    552,467.56x = 236,915,273,596.77
  5. Step 5: Solve for x
    x = 236,915,273,596.77/552,467.56
  6. Step 6: Final answer
    x = 428,831.10

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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.