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Finding the Fourth Proportional to 506,791.09, 699,341.55 and 277,302.59

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Solution

The fourth proportional to 506,791.09, 699,341.55 and 277,302.59 is: 382,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,791.09 : 699,341.55 = 277,302.59 : x
  2. Step 2: Convert to fraction form
    506,791.09/699,341.55 = 277,302.59/x
  3. Step 3: Cross multiply
    506,791.09x = 699,341.55 × 277,302.59
  4. Step 4: Simplify right side
    506,791.09x = 193,929,223,109.62
  5. Step 5: Solve for x
    x = 193,929,223,109.62/506,791.09
  6. Step 6: Final answer
    x = 382,661.08

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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.