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Finding the Fourth Proportional to 534,215.72, 801,365.27 and 155,142.68

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Solution

The fourth proportional to 534,215.72, 801,365.27 and 155,142.68 is: 232,726.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,215.72 : 801,365.27 = 155,142.68 : x
  2. Step 2: Convert to fraction form
    534,215.72/801,365.27 = 155,142.68/x
  3. Step 3: Cross multiply
    534,215.72x = 801,365.27 × 155,142.68
  4. Step 4: Simplify right side
    534,215.72x = 124,325,950,864.18
  5. Step 5: Solve for x
    x = 124,325,950,864.18/534,215.72
  6. Step 6: Final answer
    x = 232,726.12

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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.