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Finding the Fourth Proportional to 316,294.80, 473,917.32 and 222,603.72

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Solution

The fourth proportional to 316,294.80, 473,917.32 and 222,603.72 is: 333,536.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,294.80 : 473,917.32 = 222,603.72 : x
  2. Step 2: Convert to fraction form
    316,294.80/473,917.32 = 222,603.72/x
  3. Step 3: Cross multiply
    316,294.80x = 473,917.32 × 222,603.72
  4. Step 4: Simplify right side
    316,294.80x = 105,495,758,404.43
  5. Step 5: Solve for x
    x = 105,495,758,404.43/316,294.80
  6. Step 6: Final answer
    x = 333,536.18

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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.