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Finding the Fourth Proportional to 554,402.30, 831,706.06 and 175,418.46

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Solution

The fourth proportional to 554,402.30, 831,706.06 and 175,418.46 is: 263,160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,402.30 : 831,706.06 = 175,418.46 : x
  2. Step 2: Convert to fraction form
    554,402.30/831,706.06 = 175,418.46/x
  3. Step 3: Cross multiply
    554,402.30x = 831,706.06 × 175,418.46
  4. Step 4: Simplify right side
    554,402.30x = 145,896,596,217.87
  5. Step 5: Solve for x
    x = 145,896,596,217.87/554,402.30
  6. Step 6: Final answer
    x = 263,160.16

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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.