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Finding the Fourth Proportional to 469,326.38, 703,264.99 and 316,926.23

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Solution

The fourth proportional to 469,326.38, 703,264.99 and 316,926.23 is: 474,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,326.38 : 703,264.99 = 316,926.23 : x
  2. Step 2: Convert to fraction form
    469,326.38/703,264.99 = 316,926.23/x
  3. Step 3: Cross multiply
    469,326.38x = 703,264.99 × 316,926.23
  4. Step 4: Simplify right side
    469,326.38x = 222,883,121,971.69
  5. Step 5: Solve for x
    x = 222,883,121,971.69/469,326.38
  6. Step 6: Final answer
    x = 474,900.05

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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.