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Finding the Fourth Proportional to 467,140.98, 644,654.58 and 252,281.07

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Solution

The fourth proportional to 467,140.98, 644,654.58 and 252,281.07 is: 348,147.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,140.98 : 644,654.58 = 252,281.07 : x
  2. Step 2: Convert to fraction form
    467,140.98/644,654.58 = 252,281.07/x
  3. Step 3: Cross multiply
    467,140.98x = 644,654.58 × 252,281.07
  4. Step 4: Simplify right side
    467,140.98x = 162,634,147,222.80
  5. Step 5: Solve for x
    x = 162,634,147,222.80/467,140.98
  6. Step 6: Final answer
    x = 348,147.89

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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.