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Finding the Fourth Proportional to 340,552.35, 510,895.64 and 100,670.45

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Solution

The fourth proportional to 340,552.35, 510,895.64 and 100,670.45 is: 151,025.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,552.35 : 510,895.64 = 100,670.45 : x
  2. Step 2: Convert to fraction form
    340,552.35/510,895.64 = 100,670.45/x
  3. Step 3: Cross multiply
    340,552.35x = 510,895.64 × 100,670.45
  4. Step 4: Simplify right side
    340,552.35x = 51,432,091,679.04
  5. Step 5: Solve for x
    x = 51,432,091,679.04/340,552.35
  6. Step 6: Final answer
    x = 151,025.51

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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.