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Finding the Fourth Proportional to 654,988.45, 982,482.59 and 181,673.81

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Solution

The fourth proportional to 654,988.45, 982,482.59 and 181,673.81 is: 272,510.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,988.45 : 982,482.59 = 181,673.81 : x
  2. Step 2: Convert to fraction form
    654,988.45/982,482.59 = 181,673.81/x
  3. Step 3: Cross multiply
    654,988.45x = 982,482.59 × 181,673.81
  4. Step 4: Simplify right side
    654,988.45x = 178,491,349,563.19
  5. Step 5: Solve for x
    x = 178,491,349,563.19/654,988.45
  6. Step 6: Final answer
    x = 272,510.68

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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.