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Finding the Fourth Proportional to 504,066.40, 756,099.60 and 171,642.40

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Solution

The fourth proportional to 504,066.40, 756,099.60 and 171,642.40 is: 257,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,066.40 : 756,099.60 = 171,642.40 : x
  2. Step 2: Convert to fraction form
    504,066.40/756,099.60 = 171,642.40/x
  3. Step 3: Cross multiply
    504,066.40x = 756,099.60 × 171,642.40
  4. Step 4: Simplify right side
    504,066.40x = 129,778,749,983.04
  5. Step 5: Solve for x
    x = 129,778,749,983.04/504,066.40
  6. Step 6: Final answer
    x = 257,463.60

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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.