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Finding the Fourth Proportional to 545,704.24, 753,384 and 362,191.68

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Solution

The fourth proportional to 545,704.24, 753,384 and 362,191.68 is: 500,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,704.24 : 753,384 = 362,191.68 : x
  2. Step 2: Convert to fraction form
    545,704.24/753,384 = 362,191.68/x
  3. Step 3: Cross multiply
    545,704.24x = 753,384 × 362,191.68
  4. Step 4: Simplify right side
    545,704.24x = 272,869,416,645.12
  5. Step 5: Solve for x
    x = 272,869,416,645.12/545,704.24
  6. Step 6: Final answer
    x = 500,031.70

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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.