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Finding the Fourth Proportional to 554,394.39, 831,681.44 and 217,252.24

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Solution

The fourth proportional to 554,394.39, 831,681.44 and 217,252.24 is: 325,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,394.39 : 831,681.44 = 217,252.24 : x
  2. Step 2: Convert to fraction form
    554,394.39/831,681.44 = 217,252.24/x
  3. Step 3: Cross multiply
    554,394.39x = 831,681.44 × 217,252.24
  4. Step 4: Simplify right side
    554,394.39x = 180,684,653,455.66
  5. Step 5: Solve for x
    x = 180,684,653,455.66/554,394.39
  6. Step 6: Final answer
    x = 325,913.57

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1.5x scale

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.