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Finding the Fourth Proportional to 340,464.14, 510,031.85 and 265,232.03

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Solution

The fourth proportional to 340,464.14, 510,031.85 and 265,232.03 is: 397,330.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,464.14 : 510,031.85 = 265,232.03 : x
  2. Step 2: Convert to fraction form
    340,464.14/510,031.85 = 265,232.03/x
  3. Step 3: Cross multiply
    340,464.14x = 510,031.85 × 265,232.03
  4. Step 4: Simplify right side
    340,464.14x = 135,276,782,889.08
  5. Step 5: Solve for x
    x = 135,276,782,889.08/340,464.14
  6. Step 6: Final answer
    x = 397,330.49

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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.