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Finding the Fourth Proportional to 555,346.75, 833,051.05 and 155,956.24

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Solution

The fourth proportional to 555,346.75, 833,051.05 and 155,956.24 is: 233,943.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,346.75 : 833,051.05 = 155,956.24 : x
  2. Step 2: Convert to fraction form
    555,346.75/833,051.05 = 155,956.24/x
  3. Step 3: Cross multiply
    555,346.75x = 833,051.05 × 155,956.24
  4. Step 4: Simplify right side
    555,346.75x = 129,919,509,486.05
  5. Step 5: Solve for x
    x = 129,919,509,486.05/555,346.75
  6. Step 6: Final answer
    x = 233,943.04

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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.