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Finding the Fourth Proportional to 651,322.39, 898,874.76 and 409,811.98

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Solution

The fourth proportional to 651,322.39, 898,874.76 and 409,811.98 is: 565,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,322.39 : 898,874.76 = 409,811.98 : x
  2. Step 2: Convert to fraction form
    651,322.39/898,874.76 = 409,811.98/x
  3. Step 3: Cross multiply
    651,322.39x = 898,874.76 × 409,811.98
  4. Step 4: Simplify right side
    651,322.39x = 368,369,646,142.62
  5. Step 5: Solve for x
    x = 368,369,646,142.62/651,322.39
  6. Step 6: Final answer
    x = 565,571.91

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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.