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Finding the Fourth Proportional to 335,798.40, 503,697.60 and 299,056.80

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Solution

The fourth proportional to 335,798.40, 503,697.60 and 299,056.80 is: 448,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,798.40 : 503,697.60 = 299,056.80 : x
  2. Step 2: Convert to fraction form
    335,798.40/503,697.60 = 299,056.80/x
  3. Step 3: Cross multiply
    335,798.40x = 503,697.60 × 299,056.80
  4. Step 4: Simplify right side
    335,798.40x = 150,634,192,423.68
  5. Step 5: Solve for x
    x = 150,634,192,423.68/335,798.40
  6. Step 6: Final answer
    x = 448,585.20

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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.