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Finding the Fourth Proportional to 438,956.66, 605,756.40 and 237,752.66

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Solution

The fourth proportional to 438,956.66, 605,756.40 and 237,752.66 is: 328,096.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,956.66 : 605,756.40 = 237,752.66 : x
  2. Step 2: Convert to fraction form
    438,956.66/605,756.40 = 237,752.66/x
  3. Step 3: Cross multiply
    438,956.66x = 605,756.40 × 237,752.66
  4. Step 4: Simplify right side
    438,956.66x = 144,020,195,412.02
  5. Step 5: Solve for x
    x = 144,020,195,412.02/438,956.66
  6. Step 6: Final answer
    x = 328,096.62

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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.