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Finding the Fourth Proportional to 434,343.16, 599,418.06 and 243,418.06

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Solution

The fourth proportional to 434,343.16, 599,418.06 and 243,418.06 is: 335,930.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,343.16 : 599,418.06 = 243,418.06 : x
  2. Step 2: Convert to fraction form
    434,343.16/599,418.06 = 243,418.06/x
  3. Step 3: Cross multiply
    434,343.16x = 599,418.06 × 243,418.06
  4. Step 4: Simplify right side
    434,343.16x = 145,909,181,294.16
  5. Step 5: Solve for x
    x = 145,909,181,294.16/434,343.16
  6. Step 6: Final answer
    x = 335,930.65

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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.