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Finding the Fourth Proportional to 506,605.11, 699,109.72 and 277,160.05

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Solution

The fourth proportional to 506,605.11, 699,109.72 and 277,160.05 is: 382,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,605.11 : 699,109.72 = 277,160.05 : x
  2. Step 2: Convert to fraction form
    506,605.11/699,109.72 = 277,160.05/x
  3. Step 3: Cross multiply
    506,605.11x = 699,109.72 × 277,160.05
  4. Step 4: Simplify right side
    506,605.11x = 193,765,284,950.69
  5. Step 5: Solve for x
    x = 193,765,284,950.69/506,605.11
  6. Step 6: Final answer
    x = 382,477.95

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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.