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Finding the Fourth Proportional to 554,473.88, 831,741.09 and 175,366.32

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Solution

The fourth proportional to 554,473.88, 831,741.09 and 175,366.32 is: 263,059.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,473.88 : 831,741.09 = 175,366.32 : x
  2. Step 2: Convert to fraction form
    554,473.88/831,741.09 = 175,366.32/x
  3. Step 3: Cross multiply
    554,473.88x = 831,741.09 × 175,366.32
  4. Step 4: Simplify right side
    554,473.88x = 145,859,369,110.55
  5. Step 5: Solve for x
    x = 145,859,369,110.55/554,473.88
  6. Step 6: Final answer
    x = 263,059.05

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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.