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Finding the Fourth Proportional to 544,538.40, 815,252.40 and 528,986.40

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Solution

The fourth proportional to 544,538.40, 815,252.40 and 528,986.40 is: 791,968.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,538.40 : 815,252.40 = 528,986.40 : x
  2. Step 2: Convert to fraction form
    544,538.40/815,252.40 = 528,986.40/x
  3. Step 3: Cross multiply
    544,538.40x = 815,252.40 × 528,986.40
  4. Step 4: Simplify right side
    544,538.40x = 431,257,432,167.36
  5. Step 5: Solve for x
    x = 431,257,432,167.36/544,538.40
  6. Step 6: Final answer
    x = 791,968.82

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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.