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Finding the Fourth Proportional to 650,597.43, 897,717.32 and 408,708.69

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Solution

The fourth proportional to 650,597.43, 897,717.32 and 408,708.69 is: 563,950.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,597.43 : 897,717.32 = 408,708.69 : x
  2. Step 2: Convert to fraction form
    650,597.43/897,717.32 = 408,708.69/x
  3. Step 3: Cross multiply
    650,597.43x = 897,717.32 × 408,708.69
  4. Step 4: Simplify right side
    650,597.43x = 366,904,867,803.97
  5. Step 5: Solve for x
    x = 366,904,867,803.97/650,597.43
  6. Step 6: Final answer
    x = 563,950.69

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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.