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Finding the Fourth Proportional to 617,434.80, 927,102.60 and 337,498.80

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Solution

The fourth proportional to 617,434.80, 927,102.60 and 337,498.80 is: 506,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,434.80 : 927,102.60 = 337,498.80 : x
  2. Step 2: Convert to fraction form
    617,434.80/927,102.60 = 337,498.80/x
  3. Step 3: Cross multiply
    617,434.80x = 927,102.60 × 337,498.80
  4. Step 4: Simplify right side
    617,434.80x = 312,896,014,976.88
  5. Step 5: Solve for x
    x = 312,896,014,976.88/617,434.80
  6. Step 6: Final answer
    x = 506,767.70

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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.