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Finding the Fourth Proportional to 340,272.01, 510,484.29 and 103,633.21

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Solution

The fourth proportional to 340,272.01, 510,484.29 and 103,633.21 is: 155,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,272.01 : 510,484.29 = 103,633.21 : x
  2. Step 2: Convert to fraction form
    340,272.01/510,484.29 = 103,633.21/x
  3. Step 3: Cross multiply
    340,272.01x = 510,484.29 × 103,633.21
  4. Step 4: Simplify right side
    340,272.01x = 52,903,125,627.27
  5. Step 5: Solve for x
    x = 52,903,125,627.27/340,272.01
  6. Step 6: Final answer
    x = 155,473.05

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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.