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Finding the Fourth Proportional to 575,572.96, 863,438.28 and 196,391.98

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Solution

The fourth proportional to 575,572.96, 863,438.28 and 196,391.98 is: 294,614.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,572.96 : 863,438.28 = 196,391.98 : x
  2. Step 2: Convert to fraction form
    575,572.96/863,438.28 = 196,391.98/x
  3. Step 3: Cross multiply
    575,572.96x = 863,438.28 × 196,391.98
  4. Step 4: Simplify right side
    575,572.96x = 169,572,353,416.99
  5. Step 5: Solve for x
    x = 169,572,353,416.99/575,572.96
  6. Step 6: Final answer
    x = 294,614.87

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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.