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Finding the Fourth Proportional to 316,308.69, 473,938.14 and 222,617.61

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Solution

The fourth proportional to 316,308.69, 473,938.14 and 222,617.61 is: 333,556.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,308.69 : 473,938.14 = 222,617.61 : x
  2. Step 2: Convert to fraction form
    316,308.69/473,938.14 = 222,617.61/x
  3. Step 3: Cross multiply
    316,308.69x = 473,938.14 × 222,617.61
  4. Step 4: Simplify right side
    316,308.69x = 105,506,976,014.65
  5. Step 5: Solve for x
    x = 105,506,976,014.65/316,308.69
  6. Step 6: Final answer
    x = 333,556.99

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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.