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Finding the Fourth Proportional to 438,073.97, 604,815.75 and 335,903.15

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Solution

The fourth proportional to 438,073.97, 604,815.75 and 335,903.15 is: 463,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,073.97 : 604,815.75 = 335,903.15 : x
  2. Step 2: Convert to fraction form
    438,073.97/604,815.75 = 335,903.15/x
  3. Step 3: Cross multiply
    438,073.97x = 604,815.75 × 335,903.15
  4. Step 4: Simplify right side
    438,073.97x = 203,159,517,106.65
  5. Step 5: Solve for x
    x = 203,159,517,106.65/438,073.97
  6. Step 6: Final answer
    x = 463,756.20

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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.