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Finding the Fourth Proportional to 245,714.30, 368,425.65 and 127,616.30

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Solution

The fourth proportional to 245,714.30, 368,425.65 and 127,616.30 is: 191,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,714.30 : 368,425.65 = 127,616.30 : x
  2. Step 2: Convert to fraction form
    245,714.30/368,425.65 = 127,616.30/x
  3. Step 3: Cross multiply
    245,714.30x = 368,425.65 × 127,616.30
  4. Step 4: Simplify right side
    245,714.30x = 47,017,118,278.10
  5. Step 5: Solve for x
    x = 47,017,118,278.10/245,714.30
  6. Step 6: Final answer
    x = 191,348.73

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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.