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Finding the Fourth Proportional to 544,528.98, 751,329.88 and 326,638.17

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Solution

The fourth proportional to 544,528.98, 751,329.88 and 326,638.17 is: 450,688.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,528.98 : 751,329.88 = 326,638.17 : x
  2. Step 2: Convert to fraction form
    544,528.98/751,329.88 = 326,638.17/x
  3. Step 3: Cross multiply
    544,528.98x = 751,329.88 × 326,638.17
  4. Step 4: Simplify right side
    544,528.98x = 245,413,016,252.92
  5. Step 5: Solve for x
    x = 245,413,016,252.92/544,528.98
  6. Step 6: Final answer
    x = 450,688.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.