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Finding the Fourth Proportional to 438,213.76, 604,735.02 and 237,009.76

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Solution

The fourth proportional to 438,213.76, 604,735.02 and 237,009.76 is: 327,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,213.76 : 604,735.02 = 237,009.76 : x
  2. Step 2: Convert to fraction form
    438,213.76/604,735.02 = 237,009.76/x
  3. Step 3: Cross multiply
    438,213.76x = 604,735.02 × 237,009.76
  4. Step 4: Simplify right side
    438,213.76x = 143,328,101,953.80
  5. Step 5: Solve for x
    x = 143,328,101,953.80/438,213.76
  6. Step 6: Final answer
    x = 327,073.49

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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.