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Finding the Fourth Proportional to 370,205.21, 510,917.43 and 224,977.48

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Solution

The fourth proportional to 370,205.21, 510,917.43 and 224,977.48 is: 310,489.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,205.21 : 510,917.43 = 224,977.48 : x
  2. Step 2: Convert to fraction form
    370,205.21/510,917.43 = 224,977.48/x
  3. Step 3: Cross multiply
    370,205.21x = 510,917.43 × 224,977.48
  4. Step 4: Simplify right side
    370,205.21x = 114,944,913,334.89
  5. Step 5: Solve for x
    x = 114,944,913,334.89/370,205.21
  6. Step 6: Final answer
    x = 310,489.72

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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.