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Finding the Fourth Proportional to 457,795.22, 631,758.76 and 253,860.50

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Solution

The fourth proportional to 457,795.22, 631,758.76 and 253,860.50 is: 350,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,795.22 : 631,758.76 = 253,860.50 : x
  2. Step 2: Convert to fraction form
    457,795.22/631,758.76 = 253,860.50/x
  3. Step 3: Cross multiply
    457,795.22x = 631,758.76 × 253,860.50
  4. Step 4: Simplify right side
    457,795.22x = 160,378,595,637.73
  5. Step 5: Solve for x
    x = 160,378,595,637.73/457,795.22
  6. Step 6: Final answer
    x = 350,328.25

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1.5x scale

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.