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Finding the Fourth Proportional to 376,877.06, 565,245.86 and 171,663.32

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Solution

The fourth proportional to 376,877.06, 565,245.86 and 171,663.32 is: 257,463.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,877.06 : 565,245.86 = 171,663.32 : x
  2. Step 2: Convert to fraction form
    376,877.06/565,245.86 = 171,663.32/x
  3. Step 3: Cross multiply
    376,877.06x = 565,245.86 × 171,663.32
  4. Step 4: Simplify right side
    376,877.06x = 97,031,980,943.86
  5. Step 5: Solve for x
    x = 97,031,980,943.86/376,877.06
  6. Step 6: Final answer
    x = 257,463.22

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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.