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Finding the Fourth Proportional to 253,590.66, 349,904.97 and 144,692.64

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Solution

The fourth proportional to 253,590.66, 349,904.97 and 144,692.64 is: 199,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,590.66 : 349,904.97 = 144,692.64 : x
  2. Step 2: Convert to fraction form
    253,590.66/349,904.97 = 144,692.64/x
  3. Step 3: Cross multiply
    253,590.66x = 349,904.97 × 144,692.64
  4. Step 4: Simplify right side
    253,590.66x = 50,628,673,858.42
  5. Step 5: Solve for x
    x = 50,628,673,858.42/253,590.66
  6. Step 6: Final answer
    x = 199,647.23

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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.