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Finding the Fourth Proportional to 319,221.93, 440,526.30 and 183,264.69

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Solution

The fourth proportional to 319,221.93, 440,526.30 and 183,264.69 is: 252,905.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,221.93 : 440,526.30 = 183,264.69 : x
  2. Step 2: Convert to fraction form
    319,221.93/440,526.30 = 183,264.69/x
  3. Step 3: Cross multiply
    319,221.93x = 440,526.30 × 183,264.69
  4. Step 4: Simplify right side
    319,221.93x = 80,732,915,806.35
  5. Step 5: Solve for x
    x = 80,732,915,806.35/319,221.93
  6. Step 6: Final answer
    x = 252,905.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.