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Finding the Fourth Proportional to 387,225.60, 534,502.08 and 244,224

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Solution

The fourth proportional to 387,225.60, 534,502.08 and 244,224 is: 337,111.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,225.60 : 534,502.08 = 244,224 : x
  2. Step 2: Convert to fraction form
    387,225.60/534,502.08 = 244,224/x
  3. Step 3: Cross multiply
    387,225.60x = 534,502.08 × 244,224
  4. Step 4: Simplify right side
    387,225.60x = 130,538,235,985.92
  5. Step 5: Solve for x
    x = 130,538,235,985.92/387,225.60
  6. Step 6: Final answer
    x = 337,111.59

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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.