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Finding the Fourth Proportional to 436,421.52, 602,252.22 and 252,667.82

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Solution

The fourth proportional to 436,421.52, 602,252.22 and 252,667.82 is: 348,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,421.52 : 602,252.22 = 252,667.82 : x
  2. Step 2: Convert to fraction form
    436,421.52/602,252.22 = 252,667.82/x
  3. Step 3: Cross multiply
    436,421.52x = 602,252.22 × 252,667.82
  4. Step 4: Simplify right side
    436,421.52x = 152,169,755,517.56
  5. Step 5: Solve for x
    x = 152,169,755,517.56/436,421.52
  6. Step 6: Final answer
    x = 348,676.10

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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.