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Finding the Fourth Proportional to 433,152, 597,719.40 and 251,851.06

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Solution

The fourth proportional to 433,152, 597,719.40 and 251,851.06 is: 347,536.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,152 : 597,719.40 = 251,851.06 : x
  2. Step 2: Convert to fraction form
    433,152/597,719.40 = 251,851.06/x
  3. Step 3: Cross multiply
    433,152x = 597,719.40 × 251,851.06
  4. Step 4: Simplify right side
    433,152x = 150,536,264,472.56
  5. Step 5: Solve for x
    x = 150,536,264,472.56/433,152
  6. Step 6: Final answer
    x = 347,536.81

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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.