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Finding the Fourth Proportional to 360,166.50, 497,029.77 and 201,190.50

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Solution

The fourth proportional to 360,166.50, 497,029.77 and 201,190.50 is: 277,642.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,166.50 : 497,029.77 = 201,190.50 : x
  2. Step 2: Convert to fraction form
    360,166.50/497,029.77 = 201,190.50/x
  3. Step 3: Cross multiply
    360,166.50x = 497,029.77 × 201,190.50
  4. Step 4: Simplify right side
    360,166.50x = 99,997,667,941.19
  5. Step 5: Solve for x
    x = 99,997,667,941.19/360,166.50
  6. Step 6: Final answer
    x = 277,642.89

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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.