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Finding the Fourth Proportional to 536,509.60, 804,872.40 and 157,429.60

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Solution

The fourth proportional to 536,509.60, 804,872.40 and 157,429.60 is: 236,176.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,509.60 : 804,872.40 = 157,429.60 : x
  2. Step 2: Convert to fraction form
    536,509.60/804,872.40 = 157,429.60/x
  3. Step 3: Cross multiply
    536,509.60x = 804,872.40 × 157,429.60
  4. Step 4: Simplify right side
    536,509.60x = 126,710,739,983.04
  5. Step 5: Solve for x
    x = 126,710,739,983.04/536,509.60
  6. Step 6: Final answer
    x = 236,176.09

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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.