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Finding the Fourth Proportional to 554,166.66, 831,258.20 and 365,833.16

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Solution

The fourth proportional to 554,166.66, 831,258.20 and 365,833.16 is: 548,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,166.66 : 831,258.20 = 365,833.16 : x
  2. Step 2: Convert to fraction form
    554,166.66/831,258.20 = 365,833.16/x
  3. Step 3: Cross multiply
    554,166.66x = 831,258.20 × 365,833.16
  4. Step 4: Simplify right side
    554,166.66x = 304,101,811,899.61
  5. Step 5: Solve for x
    x = 304,101,811,899.61/554,166.66
  6. Step 6: Final answer
    x = 548,755.15

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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.