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Finding the Fourth Proportional to 504,027.80, 756,041.70 and 252,085.40

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Solution

The fourth proportional to 504,027.80, 756,041.70 and 252,085.40 is: 378,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,027.80 : 756,041.70 = 252,085.40 : x
  2. Step 2: Convert to fraction form
    504,027.80/756,041.70 = 252,085.40/x
  3. Step 3: Cross multiply
    504,027.80x = 756,041.70 × 252,085.40
  4. Step 4: Simplify right side
    504,027.80x = 190,587,074,361.18
  5. Step 5: Solve for x
    x = 190,587,074,361.18/504,027.80
  6. Step 6: Final answer
    x = 378,128.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.