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Finding the Fourth Proportional to 439,090.48, 605,947.36 and 237,886.48

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Solution

The fourth proportional to 439,090.48, 605,947.36 and 237,886.48 is: 328,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,090.48 : 605,947.36 = 237,886.48 : x
  2. Step 2: Convert to fraction form
    439,090.48/605,947.36 = 237,886.48/x
  3. Step 3: Cross multiply
    439,090.48x = 605,947.36 × 237,886.48
  4. Step 4: Simplify right side
    439,090.48x = 144,146,684,535.69
  5. Step 5: Solve for x
    x = 144,146,684,535.69/439,090.48
  6. Step 6: Final answer
    x = 328,284.70

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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.