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Finding the Fourth Proportional to 501,868.80, 752,803.20 and 333,615.60

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Solution

The fourth proportional to 501,868.80, 752,803.20 and 333,615.60 is: 500,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,868.80 : 752,803.20 = 333,615.60 : x
  2. Step 2: Convert to fraction form
    501,868.80/752,803.20 = 333,615.60/x
  3. Step 3: Cross multiply
    501,868.80x = 752,803.20 × 333,615.60
  4. Step 4: Simplify right side
    501,868.80x = 251,146,891,249.92
  5. Step 5: Solve for x
    x = 251,146,891,249.92/501,868.80
  6. Step 6: Final answer
    x = 500,423.40

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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.