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Finding the Fourth Proportional to 554,481.65, 831,752.73 and 175,374.07

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Solution

The fourth proportional to 554,481.65, 831,752.73 and 175,374.07 is: 263,070.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,481.65 : 831,752.73 = 175,374.07 : x
  2. Step 2: Convert to fraction form
    554,481.65/831,752.73 = 175,374.07/x
  3. Step 3: Cross multiply
    554,481.65x = 831,752.73 × 175,374.07
  4. Step 4: Simplify right side
    554,481.65x = 145,867,861,493.71
  5. Step 5: Solve for x
    x = 145,867,861,493.71/554,481.65
  6. Step 6: Final answer
    x = 263,070.67

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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.