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Finding the Fourth Proportional to 545,467.48, 818,330.00 and 171,490.48

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Solution

The fourth proportional to 545,467.48, 818,330.00 and 171,490.48 is: 257,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,467.48 : 818,330.00 = 171,490.48 : x
  2. Step 2: Convert to fraction form
    545,467.48/818,330.00 = 171,490.48/x
  3. Step 3: Cross multiply
    545,467.48x = 818,330.00 × 171,490.48
  4. Step 4: Simplify right side
    545,467.48x = 140,335,802,881.30
  5. Step 5: Solve for x
    x = 140,335,802,881.30/545,467.48
  6. Step 6: Final answer
    x = 257,276.21

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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.