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Finding the Fourth Proportional to 620,577.74, 930,848.07 and 171,326.03

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Solution

The fourth proportional to 620,577.74, 930,848.07 and 171,326.03 is: 256,983.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,577.74 : 930,848.07 = 171,326.03 : x
  2. Step 2: Convert to fraction form
    620,577.74/930,848.07 = 171,326.03/x
  3. Step 3: Cross multiply
    620,577.74x = 930,848.07 × 171,326.03
  4. Step 4: Simplify right side
    620,577.74x = 159,478,499,712.02
  5. Step 5: Solve for x
    x = 159,478,499,712.02/620,577.74
  6. Step 6: Final answer
    x = 256,983.92

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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.