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Finding the Fourth Proportional to 536,490.66, 804,860.46 and 157,396.08

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Solution

The fourth proportional to 536,490.66, 804,860.46 and 157,396.08 is: 236,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,490.66 : 804,860.46 = 157,396.08 : x
  2. Step 2: Convert to fraction form
    536,490.66/804,860.46 = 157,396.08/x
  3. Step 3: Cross multiply
    536,490.66x = 804,860.46 × 157,396.08
  4. Step 4: Simplify right side
    536,490.66x = 126,681,881,351.00
  5. Step 5: Solve for x
    x = 126,681,881,351.00/536,490.66
  6. Step 6: Final answer
    x = 236,130.64

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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.