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Finding the Fourth Proportional to 523,303.88, 784,963.10 and 149,326.88

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Solution

The fourth proportional to 523,303.88, 784,963.10 and 149,326.88 is: 223,992.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,303.88 : 784,963.10 = 149,326.88 : x
  2. Step 2: Convert to fraction form
    523,303.88/784,963.10 = 149,326.88/x
  3. Step 3: Cross multiply
    523,303.88x = 784,963.10 × 149,326.88
  4. Step 4: Simplify right side
    523,303.88x = 117,216,087,086.63
  5. Step 5: Solve for x
    x = 117,216,087,086.63/523,303.88
  6. Step 6: Final answer
    x = 223,992.39

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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.