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Finding the Fourth Proportional to 369,381.81, 554,072.83 and 88,899.06

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Solution

The fourth proportional to 369,381.81, 554,072.83 and 88,899.06 is: 133,348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,381.81 : 554,072.83 = 88,899.06 : x
  2. Step 2: Convert to fraction form
    369,381.81/554,072.83 = 88,899.06/x
  3. Step 3: Cross multiply
    369,381.81x = 554,072.83 × 88,899.06
  4. Step 4: Simplify right side
    369,381.81x = 49,256,555,614.07
  5. Step 5: Solve for x
    x = 49,256,555,614.07/369,381.81
  6. Step 6: Final answer
    x = 133,348.62

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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.