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Finding the Fourth Proportional to 558,572.59, 836,801.73 and 330,184.45

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Solution

The fourth proportional to 558,572.59, 836,801.73 and 330,184.45 is: 494,651.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,572.59 : 836,801.73 = 330,184.45 : x
  2. Step 2: Convert to fraction form
    558,572.59/836,801.73 = 330,184.45/x
  3. Step 3: Cross multiply
    558,572.59x = 836,801.73 × 330,184.45
  4. Step 4: Simplify right side
    558,572.59x = 276,298,918,979.10
  5. Step 5: Solve for x
    x = 276,298,918,979.10/558,572.59
  6. Step 6: Final answer
    x = 494,651.77

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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.