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Finding the Fourth Proportional to 366,904.73, 506,247.67 and 354,808.91

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Solution

The fourth proportional to 366,904.73, 506,247.67 and 354,808.91 is: 489,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,904.73 : 506,247.67 = 354,808.91 : x
  2. Step 2: Convert to fraction form
    366,904.73/506,247.67 = 354,808.91/x
  3. Step 3: Cross multiply
    366,904.73x = 506,247.67 × 354,808.91
  4. Step 4: Simplify right side
    366,904.73x = 179,621,183,982.74
  5. Step 5: Solve for x
    x = 179,621,183,982.74/366,904.73
  6. Step 6: Final answer
    x = 489,558.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.