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Finding the Fourth Proportional to 922,645.44, 1,273,250.88 and 520,237.44

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Solution

The fourth proportional to 922,645.44, 1,273,250.88 and 520,237.44 is: 717,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,645.44 : 1,273,250.88 = 520,237.44 : x
  2. Step 2: Convert to fraction form
    922,645.44/1,273,250.88 = 520,237.44/x
  3. Step 3: Cross multiply
    922,645.44x = 1,273,250.88 × 520,237.44
  4. Step 4: Simplify right side
    922,645.44x = 662,392,778,288.95
  5. Step 5: Solve for x
    x = 662,392,778,288.95/922,645.44
  6. Step 6: Final answer
    x = 717,927.76

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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.