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Finding the Fourth Proportional to 447,065.48, 616,938.06 and 245,861.48

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Solution

The fourth proportional to 447,065.48, 616,938.06 and 245,861.48 is: 339,282.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,065.48 : 616,938.06 = 245,861.48 : x
  2. Step 2: Convert to fraction form
    447,065.48/616,938.06 = 245,861.48/x
  3. Step 3: Cross multiply
    447,065.48x = 616,938.06 × 245,861.48
  4. Step 4: Simplify right side
    447,065.48x = 151,681,304,499.93
  5. Step 5: Solve for x
    x = 151,681,304,499.93/447,065.48
  6. Step 6: Final answer
    x = 339,282.08

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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.