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Finding the Fourth Proportional to 545,053.60, 817,580.67 and 245,183.86

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Solution

The fourth proportional to 545,053.60, 817,580.67 and 245,183.86 is: 367,775.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,053.60 : 817,580.67 = 245,183.86 : x
  2. Step 2: Convert to fraction form
    545,053.60/817,580.67 = 245,183.86/x
  3. Step 3: Cross multiply
    545,053.60x = 817,580.67 × 245,183.86
  4. Step 4: Simplify right side
    545,053.60x = 200,457,584,531.99
  5. Step 5: Solve for x
    x = 200,457,584,531.99/545,053.60
  6. Step 6: Final answer
    x = 367,775.91

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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.