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Finding the Fourth Proportional to 554,573.69, 831,777.29 and 175,445.17

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Solution

The fourth proportional to 554,573.69, 831,777.29 and 175,445.17 is: 263,141.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,573.69 : 831,777.29 = 175,445.17 : x
  2. Step 2: Convert to fraction form
    554,573.69/831,777.29 = 175,445.17/x
  3. Step 3: Cross multiply
    554,573.69x = 831,777.29 × 175,445.17
  4. Step 4: Simplify right side
    554,573.69x = 145,931,306,405.36
  5. Step 5: Solve for x
    x = 145,931,306,405.36/554,573.69
  6. Step 6: Final answer
    x = 263,141.42

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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.