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Finding the Fourth Proportional to 436,054.40, 601,649.60 and 254,663.36

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Solution

The fourth proportional to 436,054.40, 601,649.60 and 254,663.36 is: 351,373.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,054.40 : 601,649.60 = 254,663.36 : x
  2. Step 2: Convert to fraction form
    436,054.40/601,649.60 = 254,663.36/x
  3. Step 3: Cross multiply
    436,054.40x = 601,649.60 × 254,663.36
  4. Step 4: Simplify right side
    436,054.40x = 153,218,108,678.66
  5. Step 5: Solve for x
    x = 153,218,108,678.66/436,054.40
  6. Step 6: Final answer
    x = 351,373.84

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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.