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Finding the Fourth Proportional to 610,165.70, 915,258.16 and 230,984.66

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Solution

The fourth proportional to 610,165.70, 915,258.16 and 230,984.66 is: 346,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,165.70 : 915,258.16 = 230,984.66 : x
  2. Step 2: Convert to fraction form
    610,165.70/915,258.16 = 230,984.66/x
  3. Step 3: Cross multiply
    610,165.70x = 915,258.16 × 230,984.66
  4. Step 4: Simplify right side
    610,165.70x = 211,410,594,899.83
  5. Step 5: Solve for x
    x = 211,410,594,899.83/610,165.70
  6. Step 6: Final answer
    x = 346,480.63

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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.