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Finding the Fourth Proportional to 439,554.75, 606,585.56 and 238,350.75

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Solution

The fourth proportional to 439,554.75, 606,585.56 and 238,350.75 is: 328,924.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,554.75 : 606,585.56 = 238,350.75 : x
  2. Step 2: Convert to fraction form
    439,554.75/606,585.56 = 238,350.75/x
  3. Step 3: Cross multiply
    439,554.75x = 606,585.56 × 238,350.75
  4. Step 4: Simplify right side
    439,554.75x = 144,580,123,165.17
  5. Step 5: Solve for x
    x = 144,580,123,165.17/439,554.75
  6. Step 6: Final answer
    x = 328,924.04

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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.