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Finding the Fourth Proportional to 444,890.88, 613,666.80 and 291,939.12

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Solution

The fourth proportional to 444,890.88, 613,666.80 and 291,939.12 is: 402,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,890.88 : 613,666.80 = 291,939.12 : x
  2. Step 2: Convert to fraction form
    444,890.88/613,666.80 = 291,939.12/x
  3. Step 3: Cross multiply
    444,890.88x = 613,666.80 × 291,939.12
  4. Step 4: Simplify right side
    444,890.88x = 179,153,345,565.22
  5. Step 5: Solve for x
    x = 179,153,345,565.22/444,890.88
  6. Step 6: Final answer
    x = 402,690.53

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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.