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Finding the Fourth Proportional to 302,497.44, 453,746.30 and 124,809.15

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Solution

The fourth proportional to 302,497.44, 453,746.30 and 124,809.15 is: 187,213.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,497.44 : 453,746.30 = 124,809.15 : x
  2. Step 2: Convert to fraction form
    302,497.44/453,746.30 = 124,809.15/x
  3. Step 3: Cross multiply
    302,497.44x = 453,746.30 × 124,809.15
  4. Step 4: Simplify right side
    302,497.44x = 56,631,689,394.60
  5. Step 5: Solve for x
    x = 56,631,689,394.60/302,497.44
  6. Step 6: Final answer
    x = 187,213.78

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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.