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Finding the Fourth Proportional to 352,509.96, 528,838.20 and 160,292.82

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Solution

The fourth proportional to 352,509.96, 528,838.20 and 160,292.82 is: 240,472.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,509.96 : 528,838.20 = 160,292.82 : x
  2. Step 2: Convert to fraction form
    352,509.96/528,838.20 = 160,292.82/x
  3. Step 3: Cross multiply
    352,509.96x = 528,838.20 × 160,292.82
  4. Step 4: Simplify right side
    352,509.96x = 84,768,966,401.72
  5. Step 5: Solve for x
    x = 84,768,966,401.72/352,509.96
  6. Step 6: Final answer
    x = 240,472.54

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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.