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Finding the Fourth Proportional to 355,559.84, 533,340.24 and 145,197.76

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Solution

The fourth proportional to 355,559.84, 533,340.24 and 145,197.76 is: 217,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,559.84 : 533,340.24 = 145,197.76 : x
  2. Step 2: Convert to fraction form
    355,559.84/533,340.24 = 145,197.76/x
  3. Step 3: Cross multiply
    355,559.84x = 533,340.24 × 145,197.76
  4. Step 4: Simplify right side
    355,559.84x = 77,439,808,165.86
  5. Step 5: Solve for x
    x = 77,439,808,165.86/355,559.84
  6. Step 6: Final answer
    x = 217,796.84

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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.