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Finding the Fourth Proportional to 554,398.88, 831,700.89 and 175,415.01

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Solution

The fourth proportional to 554,398.88, 831,700.89 and 175,415.01 is: 263,154.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,398.88 : 831,700.89 = 175,415.01 : x
  2. Step 2: Convert to fraction form
    554,398.88/831,700.89 = 175,415.01/x
  3. Step 3: Cross multiply
    554,398.88x = 831,700.89 × 175,415.01
  4. Step 4: Simplify right side
    554,398.88x = 145,892,819,059.28
  5. Step 5: Solve for x
    x = 145,892,819,059.28/554,398.88
  6. Step 6: Final answer
    x = 263,154.97

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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.