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Finding the Fourth Proportional to 607,885.67, 911,694.14 and 175,509.20

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Solution

The fourth proportional to 607,885.67, 911,694.14 and 175,509.20 is: 263,225.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,885.67 : 911,694.14 = 175,509.20 : x
  2. Step 2: Convert to fraction form
    607,885.67/911,694.14 = 175,509.20/x
  3. Step 3: Cross multiply
    607,885.67x = 911,694.14 × 175,509.20
  4. Step 4: Simplify right side
    607,885.67x = 160,010,711,215.94
  5. Step 5: Solve for x
    x = 160,010,711,215.94/607,885.67
  6. Step 6: Final answer
    x = 263,225.01

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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.