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Finding the Fourth Proportional to 431,528.64, 595,501 and 240,530.64

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Solution

The fourth proportional to 431,528.64, 595,501 and 240,530.64 is: 331,927.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,528.64 : 595,501 = 240,530.64 : x
  2. Step 2: Convert to fraction form
    431,528.64/595,501 = 240,530.64/x
  3. Step 3: Cross multiply
    431,528.64x = 595,501 × 240,530.64
  4. Step 4: Simplify right side
    431,528.64x = 143,236,236,650.64
  5. Step 5: Solve for x
    x = 143,236,236,650.64/431,528.64
  6. Step 6: Final answer
    x = 331,927.53

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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.