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Finding the Fourth Proportional to 503,271.62, 694,285.95 and 299,206.76

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Solution

The fourth proportional to 503,271.62, 694,285.95 and 299,206.76 is: 412,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,271.62 : 694,285.95 = 299,206.76 : x
  2. Step 2: Convert to fraction form
    503,271.62/694,285.95 = 299,206.76/x
  3. Step 3: Cross multiply
    503,271.62x = 694,285.95 × 299,206.76
  4. Step 4: Simplify right side
    503,271.62x = 207,735,051,348.74
  5. Step 5: Solve for x
    x = 207,735,051,348.74/503,271.62
  6. Step 6: Final answer
    x = 412,769.26

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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.