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Finding the Fourth Proportional to 333,430.57, 500,197.94 and 108,738.75

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Solution

The fourth proportional to 333,430.57, 500,197.94 and 108,738.75 is: 163,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,430.57 : 500,197.94 = 108,738.75 : x
  2. Step 2: Convert to fraction form
    333,430.57/500,197.94 = 108,738.75/x
  3. Step 3: Cross multiply
    333,430.57x = 500,197.94 × 108,738.75
  4. Step 4: Simplify right side
    333,430.57x = 54,390,896,519.03
  5. Step 5: Solve for x
    x = 54,390,896,519.03/333,430.57
  6. Step 6: Final answer
    x = 163,125.10

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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.