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Finding the Fourth Proportional to 554,400.55, 831,338.39 and 254,792.49

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Solution

The fourth proportional to 554,400.55, 831,338.39 and 254,792.49 is: 382,068.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,400.55 : 831,338.39 = 254,792.49 : x
  2. Step 2: Convert to fraction form
    554,400.55/831,338.39 = 254,792.49/x
  3. Step 3: Cross multiply
    554,400.55x = 831,338.39 × 254,792.49
  4. Step 4: Simplify right side
    554,400.55x = 211,818,774,506.95
  5. Step 5: Solve for x
    x = 211,818,774,506.95/554,400.55
  6. Step 6: Final answer
    x = 382,068.12

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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.