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Finding the Fourth Proportional to 434,365.48, 599,448.36 and 243,440.38

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Solution

The fourth proportional to 434,365.48, 599,448.36 and 243,440.38 is: 335,961.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,365.48 : 599,448.36 = 243,440.38 : x
  2. Step 2: Convert to fraction form
    434,365.48/599,448.36 = 243,440.38/x
  3. Step 3: Cross multiply
    434,365.48x = 599,448.36 × 243,440.38
  4. Step 4: Simplify right side
    434,365.48x = 145,929,936,548.78
  5. Step 5: Solve for x
    x = 145,929,936,548.78/434,365.48
  6. Step 6: Final answer
    x = 335,961.17

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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.