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Finding the Fourth Proportional to 503,766.48, 695,198.76 and 277,412.40

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Solution

The fourth proportional to 503,766.48, 695,198.76 and 277,412.40 is: 382,829.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,766.48 : 695,198.76 = 277,412.40 : x
  2. Step 2: Convert to fraction form
    503,766.48/695,198.76 = 277,412.40/x
  3. Step 3: Cross multiply
    503,766.48x = 695,198.76 × 277,412.40
  4. Step 4: Simplify right side
    503,766.48x = 192,856,756,488.62
  5. Step 5: Solve for x
    x = 192,856,756,488.62/503,766.48
  6. Step 6: Final answer
    x = 382,829.67

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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.