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Finding the Fourth Proportional to 553,904.06, 831,049.42 and 174,883.46

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Solution

The fourth proportional to 553,904.06, 831,049.42 and 174,883.46 is: 262,386.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,904.06 : 831,049.42 = 174,883.46 : x
  2. Step 2: Convert to fraction form
    553,904.06/831,049.42 = 174,883.46/x
  3. Step 3: Cross multiply
    553,904.06x = 831,049.42 × 174,883.46
  4. Step 4: Simplify right side
    553,904.06x = 145,336,798,000.59
  5. Step 5: Solve for x
    x = 145,336,798,000.59/553,904.06
  6. Step 6: Final answer
    x = 262,386.23

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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.