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Finding the Fourth Proportional to 245,769.77, 368,654.50 and 140,514.93

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Solution

The fourth proportional to 245,769.77, 368,654.50 and 140,514.93 is: 210,772.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,769.77 : 368,654.50 = 140,514.93 : x
  2. Step 2: Convert to fraction form
    245,769.77/368,654.50 = 140,514.93/x
  3. Step 3: Cross multiply
    245,769.77x = 368,654.50 × 140,514.93
  4. Step 4: Simplify right side
    245,769.77x = 51,801,461,261.69
  5. Step 5: Solve for x
    x = 51,801,461,261.69/245,769.77
  6. Step 6: Final answer
    x = 210,772.31

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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.