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Finding the Fourth Proportional to 444,357.47, 613,213.72 and 243,153.47

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Solution

The fourth proportional to 444,357.47, 613,213.72 and 243,153.47 is: 335,552.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,357.47 : 613,213.72 = 243,153.47 : x
  2. Step 2: Convert to fraction form
    444,357.47/613,213.72 = 243,153.47/x
  3. Step 3: Cross multiply
    444,357.47x = 613,213.72 × 243,153.47
  4. Step 4: Simplify right side
    444,357.47x = 149,105,043,869.61
  5. Step 5: Solve for x
    x = 149,105,043,869.61/444,357.47
  6. Step 6: Final answer
    x = 335,552.01

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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.