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Finding the Fourth Proportional to 604,978.30, 907,623.15 and 178,496.89

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Solution

The fourth proportional to 604,978.30, 907,623.15 and 178,496.89 is: 267,791.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,978.30 : 907,623.15 = 178,496.89 : x
  2. Step 2: Convert to fraction form
    604,978.30/907,623.15 = 178,496.89/x
  3. Step 3: Cross multiply
    604,978.30x = 907,623.15 × 178,496.89
  4. Step 4: Simplify right side
    604,978.30x = 162,007,909,567.00
  5. Step 5: Solve for x
    x = 162,007,909,567.00/604,978.30
  6. Step 6: Final answer
    x = 267,791.28

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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.