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Finding the Fourth Proportional to 508,837.02, 763,343.50 and 171,880.12

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Solution

The fourth proportional to 508,837.02, 763,343.50 and 171,880.12 is: 257,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,837.02 : 763,343.50 = 171,880.12 : x
  2. Step 2: Convert to fraction form
    508,837.02/763,343.50 = 171,880.12/x
  3. Step 3: Cross multiply
    508,837.02x = 763,343.50 × 171,880.12
  4. Step 4: Simplify right side
    508,837.02x = 131,203,572,381.22
  5. Step 5: Solve for x
    x = 131,203,572,381.22/508,837.02
  6. Step 6: Final answer
    x = 257,849.90

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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.