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Finding the Fourth Proportional to 535,322.84, 738,743.30 and 293,599

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Solution

The fourth proportional to 535,322.84, 738,743.30 and 293,599 is: 405,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,322.84 : 738,743.30 = 293,599 : x
  2. Step 2: Convert to fraction form
    535,322.84/738,743.30 = 293,599/x
  3. Step 3: Cross multiply
    535,322.84x = 738,743.30 × 293,599
  4. Step 4: Simplify right side
    535,322.84x = 216,894,294,136.70
  5. Step 5: Solve for x
    x = 216,894,294,136.70/535,322.84
  6. Step 6: Final answer
    x = 405,165.40

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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.