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Finding the Fourth Proportional to 507,612.54, 700,243.26 and 344,213.79

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Solution

The fourth proportional to 507,612.54, 700,243.26 and 344,213.79 is: 474,837.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,612.54 : 700,243.26 = 344,213.79 : x
  2. Step 2: Convert to fraction form
    507,612.54/700,243.26 = 344,213.79/x
  3. Step 3: Cross multiply
    507,612.54x = 700,243.26 × 344,213.79
  4. Step 4: Simplify right side
    507,612.54x = 241,033,386,446.56
  5. Step 5: Solve for x
    x = 241,033,386,446.56/507,612.54
  6. Step 6: Final answer
    x = 474,837.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.