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Finding the Fourth Proportional to 352,807.38, 529,228.35 and 103,468.50

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Solution

The fourth proportional to 352,807.38, 529,228.35 and 103,468.50 is: 155,207.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,807.38 : 529,228.35 = 103,468.50 : x
  2. Step 2: Convert to fraction form
    352,807.38/529,228.35 = 103,468.50/x
  3. Step 3: Cross multiply
    352,807.38x = 529,228.35 × 103,468.50
  4. Step 4: Simplify right side
    352,807.38x = 54,758,463,531.98
  5. Step 5: Solve for x
    x = 54,758,463,531.98/352,807.38
  6. Step 6: Final answer
    x = 155,207.82

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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.