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Finding the Fourth Proportional to 628,833.40, 943,250.10 and 504,417.40

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Solution

The fourth proportional to 628,833.40, 943,250.10 and 504,417.40 is: 756,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,833.40 : 943,250.10 = 504,417.40 : x
  2. Step 2: Convert to fraction form
    628,833.40/943,250.10 = 504,417.40/x
  3. Step 3: Cross multiply
    628,833.40x = 943,250.10 × 504,417.40
  4. Step 4: Simplify right side
    628,833.40x = 475,791,762,991.74
  5. Step 5: Solve for x
    x = 475,791,762,991.74/628,833.40
  6. Step 6: Final answer
    x = 756,626.10

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Double scale
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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.