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Finding the Fourth Proportional to 302,537.60, 453,806.40 and 145,073.60

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Solution

The fourth proportional to 302,537.60, 453,806.40 and 145,073.60 is: 217,610.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,537.60 : 453,806.40 = 145,073.60 : x
  2. Step 2: Convert to fraction form
    302,537.60/453,806.40 = 145,073.60/x
  3. Step 3: Cross multiply
    302,537.60x = 453,806.40 × 145,073.60
  4. Step 4: Simplify right side
    302,537.60x = 65,835,328,151.04
  5. Step 5: Solve for x
    x = 65,835,328,151.04/302,537.60
  6. Step 6: Final answer
    x = 217,610.40

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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.