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Finding the Fourth Proportional to 304,432.47, 454,781.95 and 219,467.52

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Solution

The fourth proportional to 304,432.47, 454,781.95 and 219,467.52 is: 327,855.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,432.47 : 454,781.95 = 219,467.52 : x
  2. Step 2: Convert to fraction form
    304,432.47/454,781.95 = 219,467.52/x
  3. Step 3: Cross multiply
    304,432.47x = 454,781.95 × 219,467.52
  4. Step 4: Simplify right side
    304,432.47x = 99,809,866,707.26
  5. Step 5: Solve for x
    x = 99,809,866,707.26/304,432.47
  6. Step 6: Final answer
    x = 327,855.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.