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Finding the Fourth Proportional to 545,760.95, 753,150.58 and 304,044.12

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Solution

The fourth proportional to 545,760.95, 753,150.58 and 304,044.12 is: 419,581.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,760.95 : 753,150.58 = 304,044.12 : x
  2. Step 2: Convert to fraction form
    545,760.95/753,150.58 = 304,044.12/x
  3. Step 3: Cross multiply
    545,760.95x = 753,150.58 × 304,044.12
  4. Step 4: Simplify right side
    545,760.95x = 228,991,004,563.48
  5. Step 5: Solve for x
    x = 228,991,004,563.48/545,760.95
  6. Step 6: Final answer
    x = 419,581.15

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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.