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Finding the Fourth Proportional to 355,697.48, 533,730.28 and 156,158.04

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Solution

The fourth proportional to 355,697.48, 533,730.28 and 156,158.04 is: 234,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,697.48 : 533,730.28 = 156,158.04 : x
  2. Step 2: Convert to fraction form
    355,697.48/533,730.28 = 156,158.04/x
  3. Step 3: Cross multiply
    355,697.48x = 533,730.28 × 156,158.04
  4. Step 4: Simplify right side
    355,697.48x = 83,346,274,413.45
  5. Step 5: Solve for x
    x = 83,346,274,413.45/355,697.48
  6. Step 6: Final answer
    x = 234,317.87

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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.