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Finding the Fourth Proportional to 654,132, 902,777.01 and 363,772.52

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Solution

The fourth proportional to 654,132, 902,777.01 and 363,772.52 is: 502,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,132 : 902,777.01 = 363,772.52 : x
  2. Step 2: Convert to fraction form
    654,132/902,777.01 = 363,772.52/x
  3. Step 3: Cross multiply
    654,132x = 902,777.01 × 363,772.52
  4. Step 4: Simplify right side
    654,132x = 328,405,463,411.88
  5. Step 5: Solve for x
    x = 328,405,463,411.88/654,132
  6. Step 6: Final answer
    x = 502,047.70

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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.