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Finding the Fourth Proportional to 444,594, 613,539.75 and 243,390

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Solution

The fourth proportional to 444,594, 613,539.75 and 243,390 is: 335,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,594 : 613,539.75 = 243,390 : x
  2. Step 2: Convert to fraction form
    444,594/613,539.75 = 243,390/x
  3. Step 3: Cross multiply
    444,594x = 613,539.75 × 243,390
  4. Step 4: Simplify right side
    444,594x = 149,329,439,752.50
  5. Step 5: Solve for x
    x = 149,329,439,752.50/444,594
  6. Step 6: Final answer
    x = 335,878.22

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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.