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Finding the Fourth Proportional to 552,890.40, 827,780.40 and 496,903.20

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Solution

The fourth proportional to 552,890.40, 827,780.40 and 496,903.20 is: 743,957.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,890.40 : 827,780.40 = 496,903.20 : x
  2. Step 2: Convert to fraction form
    552,890.40/827,780.40 = 496,903.20/x
  3. Step 3: Cross multiply
    552,890.40x = 827,780.40 × 496,903.20
  4. Step 4: Simplify right side
    552,890.40x = 411,326,729,657.28
  5. Step 5: Solve for x
    x = 411,326,729,657.28/552,890.40
  6. Step 6: Final answer
    x = 743,957.08

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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.