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Finding the Fourth Proportional to 668,545.22, 922,604.92 and 410,292.72

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Solution

The fourth proportional to 668,545.22, 922,604.92 and 410,292.72 is: 566,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,545.22 : 922,604.92 = 410,292.72 : x
  2. Step 2: Convert to fraction form
    668,545.22/922,604.92 = 410,292.72/x
  3. Step 3: Cross multiply
    668,545.22x = 922,604.92 × 410,292.72
  4. Step 4: Simplify right side
    668,545.22x = 378,538,082,112.18
  5. Step 5: Solve for x
    x = 378,538,082,112.18/668,545.22
  6. Step 6: Final answer
    x = 566,211.64

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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.