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Finding the Fourth Proportional to 318,598.33, 439,665.84 and 175,357.36

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Solution

The fourth proportional to 318,598.33, 439,665.84 and 175,357.36 is: 241,993.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,598.33 : 439,665.84 = 175,357.36 : x
  2. Step 2: Convert to fraction form
    318,598.33/439,665.84 = 175,357.36/x
  3. Step 3: Cross multiply
    318,598.33x = 439,665.84 × 175,357.36
  4. Step 4: Simplify right side
    318,598.33x = 77,098,640,984.58
  5. Step 5: Solve for x
    x = 77,098,640,984.58/318,598.33
  6. Step 6: Final answer
    x = 241,993.24

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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.