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Finding the Fourth Proportional to 439,104.51, 605,964.11 and 237,900.51

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Solution

The fourth proportional to 439,104.51, 605,964.11 and 237,900.51 is: 328,302.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,104.51 : 605,964.11 = 237,900.51 : x
  2. Step 2: Convert to fraction form
    439,104.51/605,964.11 = 237,900.51/x
  3. Step 3: Cross multiply
    439,104.51x = 605,964.11 × 237,900.51
  4. Step 4: Simplify right side
    439,104.51x = 144,159,169,621.19
  5. Step 5: Solve for x
    x = 144,159,169,621.19/439,104.51
  6. Step 6: Final answer
    x = 328,302.64

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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.