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Finding the Fourth Proportional to 1,233,656.22, 1,845,366.75 and 1,158,073.50

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Solution

The fourth proportional to 1,233,656.22, 1,845,366.75 and 1,158,073.50 is: 1,732,306.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,656.22 : 1,845,366.75 = 1,158,073.50 : x
  2. Step 2: Convert to fraction form
    1,233,656.22/1,845,366.75 = 1,158,073.50/x
  3. Step 3: Cross multiply
    1,233,656.22x = 1,845,366.75 × 1,158,073.50
  4. Step 4: Simplify right side
    1,233,656.22x = 2,137,070,330,956.13
  5. Step 5: Solve for x
    x = 2,137,070,330,956.13/1,233,656.22
  6. Step 6: Final answer
    x = 1,732,306.21

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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.