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Finding the Fourth Proportional to 423,526.82, 634,900.34 and 183,489.90

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Solution

The fourth proportional to 423,526.82, 634,900.34 and 183,489.90 is: 275,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,526.82 : 634,900.34 = 183,489.90 : x
  2. Step 2: Convert to fraction form
    423,526.82/634,900.34 = 183,489.90/x
  3. Step 3: Cross multiply
    423,526.82x = 634,900.34 × 183,489.90
  4. Step 4: Simplify right side
    423,526.82x = 116,497,799,896.57
  5. Step 5: Solve for x
    x = 116,497,799,896.57/423,526.82
  6. Step 6: Final answer
    x = 275,065.93

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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.