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Finding the Fourth Proportional to 604,001.28, 905,978.88 and 183,260.16

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Solution

The fourth proportional to 604,001.28, 905,978.88 and 183,260.16 is: 274,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,001.28 : 905,978.88 = 183,260.16 : x
  2. Step 2: Convert to fraction form
    604,001.28/905,978.88 = 183,260.16/x
  3. Step 3: Cross multiply
    604,001.28x = 905,978.88 × 183,260.16
  4. Step 4: Simplify right side
    604,001.28x = 166,029,834,505.42
  5. Step 5: Solve for x
    x = 166,029,834,505.42/604,001.28
  6. Step 6: Final answer
    x = 274,883.25

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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.