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Finding the Fourth Proportional to 410,374.32, 565,062.92 and 371,883.49

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Solution

The fourth proportional to 410,374.32, 565,062.92 and 371,883.49 is: 512,063.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,374.32 : 565,062.92 = 371,883.49 : x
  2. Step 2: Convert to fraction form
    410,374.32/565,062.92 = 371,883.49/x
  3. Step 3: Cross multiply
    410,374.32x = 565,062.92 × 371,883.49
  4. Step 4: Simplify right side
    410,374.32x = 210,137,570,458.19
  5. Step 5: Solve for x
    x = 210,137,570,458.19/410,374.32
  6. Step 6: Final answer
    x = 512,063.16

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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.