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Finding the Fourth Proportional to 1,192,365.86, 1,788,549.79 and 293,807.71

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Solution

The fourth proportional to 1,192,365.86, 1,788,549.79 and 293,807.71 is: 440,711.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,365.86 : 1,788,549.79 = 293,807.71 : x
  2. Step 2: Convert to fraction form
    1,192,365.86/1,788,549.79 = 293,807.71/x
  3. Step 3: Cross multiply
    1,192,365.86x = 1,788,549.79 × 293,807.71
  4. Step 4: Simplify right side
    1,192,365.86x = 525,489,718,020.88
  5. Step 5: Solve for x
    x = 525,489,718,020.88/1,192,365.86
  6. Step 6: Final answer
    x = 440,711.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.