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Finding the Fourth Proportional to 653,189.92, 901,454.16 and 366,728.80

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Solution

The fourth proportional to 653,189.92, 901,454.16 and 366,728.80 is: 506,114.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,189.92 : 901,454.16 = 366,728.80 : x
  2. Step 2: Convert to fraction form
    653,189.92/901,454.16 = 366,728.80/x
  3. Step 3: Cross multiply
    653,189.92x = 901,454.16 × 366,728.80
  4. Step 4: Simplify right side
    653,189.92x = 330,589,202,351.81
  5. Step 5: Solve for x
    x = 330,589,202,351.81/653,189.92
  6. Step 6: Final answer
    x = 506,114.98

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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.