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Finding the Fourth Proportional to 373,999.28, 516,156.34 and 223,096.28

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Solution

The fourth proportional to 373,999.28, 516,156.34 and 223,096.28 is: 307,895.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,999.28 : 516,156.34 = 223,096.28 : x
  2. Step 2: Convert to fraction form
    373,999.28/516,156.34 = 223,096.28/x
  3. Step 3: Cross multiply
    373,999.28x = 516,156.34 × 223,096.28
  4. Step 4: Simplify right side
    373,999.28x = 115,152,559,352.42
  5. Step 5: Solve for x
    x = 115,152,559,352.42/373,999.28
  6. Step 6: Final answer
    x = 307,895.14

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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.