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Finding the Fourth Proportional to 612,302.36, 918,456.48 and 185,841.89

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Solution

The fourth proportional to 612,302.36, 918,456.48 and 185,841.89 is: 278,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,302.36 : 918,456.48 = 185,841.89 : x
  2. Step 2: Convert to fraction form
    612,302.36/918,456.48 = 185,841.89/x
  3. Step 3: Cross multiply
    612,302.36x = 918,456.48 × 185,841.89
  4. Step 4: Simplify right side
    612,302.36x = 170,687,682,604.46
  5. Step 5: Solve for x
    x = 170,687,682,604.46/612,302.36
  6. Step 6: Final answer
    x = 278,763.72

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1.5x scale

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.