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Finding the Fourth Proportional to 675,679.32, 931,365.54 and 532,212.12

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Solution

The fourth proportional to 675,679.32, 931,365.54 and 532,212.12 is: 733,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,679.32 : 931,365.54 = 532,212.12 : x
  2. Step 2: Convert to fraction form
    675,679.32/931,365.54 = 532,212.12/x
  3. Step 3: Cross multiply
    675,679.32x = 931,365.54 × 532,212.12
  4. Step 4: Simplify right side
    675,679.32x = 495,684,028,538.35
  5. Step 5: Solve for x
    x = 495,684,028,538.35/675,679.32
  6. Step 6: Final answer
    x = 733,608.41

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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.