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Finding the Fourth Proportional to 333,718.50, 500,572.44 and 81,001.08

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Solution

The fourth proportional to 333,718.50, 500,572.44 and 81,001.08 is: 121,500.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,718.50 : 500,572.44 = 81,001.08 : x
  2. Step 2: Convert to fraction form
    333,718.50/500,572.44 = 81,001.08/x
  3. Step 3: Cross multiply
    333,718.50x = 500,572.44 × 81,001.08
  4. Step 4: Simplify right side
    333,718.50x = 40,546,908,258.24
  5. Step 5: Solve for x
    x = 40,546,908,258.24/333,718.50
  6. Step 6: Final answer
    x = 121,500.33

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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.