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Finding the Fourth Proportional to 554,548.83, 831,970.61 and 175,476.30

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Solution

The fourth proportional to 554,548.83, 831,970.61 and 175,476.30 is: 263,261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,548.83 : 831,970.61 = 175,476.30 : x
  2. Step 2: Convert to fraction form
    554,548.83/831,970.61 = 175,476.30/x
  3. Step 3: Cross multiply
    554,548.83x = 831,970.61 × 175,476.30
  4. Step 4: Simplify right side
    554,548.83x = 145,991,124,351.54
  5. Step 5: Solve for x
    x = 145,991,124,351.54/554,548.83
  6. Step 6: Final answer
    x = 263,261.08

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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.