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Finding the Fourth Proportional to 630,519.44, 946,207.56 and 256,610.48

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Solution

The fourth proportional to 630,519.44, 946,207.56 and 256,610.48 is: 385,090.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,519.44 : 946,207.56 = 256,610.48 : x
  2. Step 2: Convert to fraction form
    630,519.44/946,207.56 = 256,610.48/x
  3. Step 3: Cross multiply
    630,519.44x = 946,207.56 × 256,610.48
  4. Step 4: Simplify right side
    630,519.44x = 242,806,776,151.23
  5. Step 5: Solve for x
    x = 242,806,776,151.23/630,519.44
  6. Step 6: Final answer
    x = 385,090.07

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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.