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Finding the Fourth Proportional to 303,381.90, 454,999.68 and 93,021.66

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Solution

The fourth proportional to 303,381.90, 454,999.68 and 93,021.66 is: 139,510.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,381.90 : 454,999.68 = 93,021.66 : x
  2. Step 2: Convert to fraction form
    303,381.90/454,999.68 = 93,021.66/x
  3. Step 3: Cross multiply
    303,381.90x = 454,999.68 × 93,021.66
  4. Step 4: Simplify right side
    303,381.90x = 42,324,825,533.07
  5. Step 5: Solve for x
    x = 42,324,825,533.07/303,381.90
  6. Step 6: Final answer
    x = 139,510.05

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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.