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Finding the Fourth Proportional to 439,014.74, 605,843.25 and 237,810.74

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Solution

The fourth proportional to 439,014.74, 605,843.25 and 237,810.74 is: 328,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,014.74 : 605,843.25 = 237,810.74 : x
  2. Step 2: Convert to fraction form
    439,014.74/605,843.25 = 237,810.74/x
  3. Step 3: Cross multiply
    439,014.74x = 605,843.25 × 237,810.74
  4. Step 4: Simplify right side
    439,014.74x = 144,076,031,606.51
  5. Step 5: Solve for x
    x = 144,076,031,606.51/439,014.74
  6. Step 6: Final answer
    x = 328,180.40

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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.