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Finding the Fourth Proportional to 352,460.16, 528,772.32 and 115,801.92

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Solution

The fourth proportional to 352,460.16, 528,772.32 and 115,801.92 is: 173,729.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,460.16 : 528,772.32 = 115,801.92 : x
  2. Step 2: Convert to fraction form
    352,460.16/528,772.32 = 115,801.92/x
  3. Step 3: Cross multiply
    352,460.16x = 528,772.32 × 115,801.92
  4. Step 4: Simplify right side
    352,460.16x = 61,232,849,898.85
  5. Step 5: Solve for x
    x = 61,232,849,898.85/352,460.16
  6. Step 6: Final answer
    x = 173,729.85

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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.