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Finding the Fourth Proportional to 356,455.92, 534,683.88 and 119,798.60

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Solution

The fourth proportional to 356,455.92, 534,683.88 and 119,798.60 is: 179,697.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,455.92 : 534,683.88 = 119,798.60 : x
  2. Step 2: Convert to fraction form
    356,455.92/534,683.88 = 119,798.60/x
  3. Step 3: Cross multiply
    356,455.92x = 534,683.88 × 119,798.60
  4. Step 4: Simplify right side
    356,455.92x = 64,054,377,593.15
  5. Step 5: Solve for x
    x = 64,054,377,593.15/356,455.92
  6. Step 6: Final answer
    x = 179,697.89

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1.5x scale

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.