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Finding the Fourth Proportional to 423,086.83, 634,033.53 and 233,632.49

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Solution

The fourth proportional to 423,086.83, 634,033.53 and 233,632.49 is: 350,119.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,086.83 : 634,033.53 = 233,632.49 : x
  2. Step 2: Convert to fraction form
    423,086.83/634,033.53 = 233,632.49/x
  3. Step 3: Cross multiply
    423,086.83x = 634,033.53 × 233,632.49
  4. Step 4: Simplify right side
    423,086.83x = 148,130,829,187.22
  5. Step 5: Solve for x
    x = 148,130,829,187.22/423,086.83
  6. Step 6: Final answer
    x = 350,119.22

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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.