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Finding the Fourth Proportional to 364,677.04, 547,259.91 and 128,020.42

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Solution

The fourth proportional to 364,677.04, 547,259.91 and 128,020.42 is: 192,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,677.04 : 547,259.91 = 128,020.42 : x
  2. Step 2: Convert to fraction form
    364,677.04/547,259.91 = 128,020.42/x
  3. Step 3: Cross multiply
    364,677.04x = 547,259.91 × 128,020.42
  4. Step 4: Simplify right side
    364,677.04x = 70,060,443,527.36
  5. Step 5: Solve for x
    x = 70,060,443,527.36/364,677.04
  6. Step 6: Final answer
    x = 192,116.41

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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.