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Finding the Fourth Proportional to 687,806.03, 947,610.97 and 532,222.39

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Solution

The fourth proportional to 687,806.03, 947,610.97 and 532,222.39 is: 733,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,806.03 : 947,610.97 = 532,222.39 : x
  2. Step 2: Convert to fraction form
    687,806.03/947,610.97 = 532,222.39/x
  3. Step 3: Cross multiply
    687,806.03x = 947,610.97 × 532,222.39
  4. Step 4: Simplify right side
    687,806.03x = 504,339,767,844.45
  5. Step 5: Solve for x
    x = 504,339,767,844.45/687,806.03
  6. Step 6: Final answer
    x = 733,258.72

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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.