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Finding the Fourth Proportional to 455,275.16, 682,752.40 and 151,586.84

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Solution

The fourth proportional to 455,275.16, 682,752.40 and 151,586.84 is: 227,326.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,275.16 : 682,752.40 = 151,586.84 : x
  2. Step 2: Convert to fraction form
    455,275.16/682,752.40 = 151,586.84/x
  3. Step 3: Cross multiply
    455,275.16x = 682,752.40 × 151,586.84
  4. Step 4: Simplify right side
    455,275.16x = 103,496,281,212.18
  5. Step 5: Solve for x
    x = 103,496,281,212.18/455,275.16
  6. Step 6: Final answer
    x = 227,326.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.