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Finding the Fourth Proportional to 333,397.88, 500,140.76 and 108,679.58

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Solution

The fourth proportional to 333,397.88, 500,140.76 and 108,679.58 is: 163,033.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,397.88 : 500,140.76 = 108,679.58 : x
  2. Step 2: Convert to fraction form
    333,397.88/500,140.76 = 108,679.58/x
  3. Step 3: Cross multiply
    333,397.88x = 500,140.76 × 108,679.58
  4. Step 4: Simplify right side
    333,397.88x = 54,355,084,693.58
  5. Step 5: Solve for x
    x = 54,355,084,693.58/333,397.88
  6. Step 6: Final answer
    x = 163,033.69

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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.