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Finding the Fourth Proportional to 334,145.40, 501,218.10 and 297,403.80

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Solution

The fourth proportional to 334,145.40, 501,218.10 and 297,403.80 is: 446,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,145.40 : 501,218.10 = 297,403.80 : x
  2. Step 2: Convert to fraction form
    334,145.40/501,218.10 = 297,403.80/x
  3. Step 3: Cross multiply
    334,145.40x = 501,218.10 × 297,403.80
  4. Step 4: Simplify right side
    334,145.40x = 149,064,167,568.78
  5. Step 5: Solve for x
    x = 149,064,167,568.78/334,145.40
  6. Step 6: Final answer
    x = 446,105.70

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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.