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Finding the Fourth Proportional to 633,438.90, 950,158.07 and 254,359.50

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Solution

The fourth proportional to 633,438.90, 950,158.07 and 254,359.50 is: 381,539.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,438.90 : 950,158.07 = 254,359.50 : x
  2. Step 2: Convert to fraction form
    633,438.90/950,158.07 = 254,359.50/x
  3. Step 3: Cross multiply
    633,438.90x = 950,158.07 × 254,359.50
  4. Step 4: Simplify right side
    633,438.90x = 241,681,730,334.37
  5. Step 5: Solve for x
    x = 241,681,730,334.37/633,438.90
  6. Step 6: Final answer
    x = 381,539.14

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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.