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Finding the Fourth Proportional to 294,374.80, 406,244.69 and 165,323.58

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Solution

The fourth proportional to 294,374.80, 406,244.69 and 165,323.58 is: 228,150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,374.80 : 406,244.69 = 165,323.58 : x
  2. Step 2: Convert to fraction form
    294,374.80/406,244.69 = 165,323.58/x
  3. Step 3: Cross multiply
    294,374.80x = 406,244.69 × 165,323.58
  4. Step 4: Simplify right side
    294,374.80x = 67,161,826,506.79
  5. Step 5: Solve for x
    x = 67,161,826,506.79/294,374.80
  6. Step 6: Final answer
    x = 228,150.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.