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Finding the Fourth Proportional to 330,082.88, 455,482.88 and 262,264

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Solution

The fourth proportional to 330,082.88, 455,482.88 and 262,264 is: 361,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,082.88 : 455,482.88 = 262,264 : x
  2. Step 2: Convert to fraction form
    330,082.88/455,482.88 = 262,264/x
  3. Step 3: Cross multiply
    330,082.88x = 455,482.88 × 262,264
  4. Step 4: Simplify right side
    330,082.88x = 119,456,762,040.32
  5. Step 5: Solve for x
    x = 119,456,762,040.32/330,082.88
  6. Step 6: Final answer
    x = 361,899.30

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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.