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Finding the Fourth Proportional to 333,317.31, 500,255.95 and 143,920.83

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Solution

The fourth proportional to 333,317.31, 500,255.95 and 143,920.83 is: 216,002.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,317.31 : 500,255.95 = 143,920.83 : x
  2. Step 2: Convert to fraction form
    333,317.31/500,255.95 = 143,920.83/x
  3. Step 3: Cross multiply
    333,317.31x = 500,255.95 × 143,920.83
  4. Step 4: Simplify right side
    333,317.31x = 71,997,250,816.83
  5. Step 5: Solve for x
    x = 71,997,250,816.83/333,317.31
  6. Step 6: Final answer
    x = 216,002.14

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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.