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Finding the Fourth Proportional to 444,820.32, 613,896 and 253,862.40

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Solution

The fourth proportional to 444,820.32, 613,896 and 253,862.40 is: 350,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,820.32 : 613,896 = 253,862.40 : x
  2. Step 2: Convert to fraction form
    444,820.32/613,896 = 253,862.40/x
  3. Step 3: Cross multiply
    444,820.32x = 613,896 × 253,862.40
  4. Step 4: Simplify right side
    444,820.32x = 155,845,111,910.40
  5. Step 5: Solve for x
    x = 155,845,111,910.40/444,820.32
  6. Step 6: Final answer
    x = 350,355.20

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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.