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Finding the Fourth Proportional to 444,681.14, 613,663.89 and 263,403.38

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Solution

The fourth proportional to 444,681.14, 613,663.89 and 263,403.38 is: 363,498.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,681.14 : 613,663.89 = 263,403.38 : x
  2. Step 2: Convert to fraction form
    444,681.14/613,663.89 = 263,403.38/x
  3. Step 3: Cross multiply
    444,681.14x = 613,663.89 × 263,403.38
  4. Step 4: Simplify right side
    444,681.14x = 161,641,142,809.95
  5. Step 5: Solve for x
    x = 161,641,142,809.95/444,681.14
  6. Step 6: Final answer
    x = 363,498.98

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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.