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Finding the Fourth Proportional to 345,327.71, 476,482.91 and 202,060.98

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Solution

The fourth proportional to 345,327.71, 476,482.91 and 202,060.98 is: 278,803.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,327.71 : 476,482.91 = 202,060.98 : x
  2. Step 2: Convert to fraction form
    345,327.71/476,482.91 = 202,060.98/x
  3. Step 3: Cross multiply
    345,327.71x = 476,482.91 × 202,060.98
  4. Step 4: Simplify right side
    345,327.71x = 96,278,602,737.55
  5. Step 5: Solve for x
    x = 96,278,602,737.55/345,327.71
  6. Step 6: Final answer
    x = 278,803.59

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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.