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Finding the Fourth Proportional to 554,119.92, 831,308.13 and 175,078.26

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Solution

The fourth proportional to 554,119.92, 831,308.13 and 175,078.26 is: 262,657.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,119.92 : 831,308.13 = 175,078.26 : x
  2. Step 2: Convert to fraction form
    554,119.92/831,308.13 = 175,078.26/x
  3. Step 3: Cross multiply
    554,119.92x = 831,308.13 × 175,078.26
  4. Step 4: Simplify right side
    554,119.92x = 145,543,980,924.25
  5. Step 5: Solve for x
    x = 145,543,980,924.25/554,119.92
  6. Step 6: Final answer
    x = 262,657.91

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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.