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Finding the Fourth Proportional to 434,361.48, 599,442.84 and 243,436.38

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Solution

The fourth proportional to 434,361.48, 599,442.84 and 243,436.38 is: 335,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,361.48 : 599,442.84 = 243,436.38 : x
  2. Step 2: Convert to fraction form
    434,361.48/599,442.84 = 243,436.38/x
  3. Step 3: Cross multiply
    434,361.48x = 599,442.84 × 243,436.38
  4. Step 4: Simplify right side
    434,361.48x = 145,926,194,986.52
  5. Step 5: Solve for x
    x = 145,926,194,986.52/434,361.48
  6. Step 6: Final answer
    x = 335,955.65

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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.