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Finding the Fourth Proportional to 352,281.50, 528,311.25 and 115,569.02

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Solution

The fourth proportional to 352,281.50, 528,311.25 and 115,569.02 is: 173,317.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,281.50 : 528,311.25 = 115,569.02 : x
  2. Step 2: Convert to fraction form
    352,281.50/528,311.25 = 115,569.02/x
  3. Step 3: Cross multiply
    352,281.50x = 528,311.25 × 115,569.02
  4. Step 4: Simplify right side
    352,281.50x = 61,056,413,417.48
  5. Step 5: Solve for x
    x = 61,056,413,417.48/352,281.50
  6. Step 6: Final answer
    x = 173,317.12

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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.