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Finding the Fourth Proportional to 373,852.36, 516,590.78 and 266,235.56

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Solution

The fourth proportional to 373,852.36, 516,590.78 and 266,235.56 is: 367,885.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,852.36 : 516,590.78 = 266,235.56 : x
  2. Step 2: Convert to fraction form
    373,852.36/516,590.78 = 266,235.56/x
  3. Step 3: Cross multiply
    373,852.36x = 516,590.78 × 266,235.56
  4. Step 4: Simplify right side
    373,852.36x = 137,534,835,604.14
  5. Step 5: Solve for x
    x = 137,534,835,604.14/373,852.36
  6. Step 6: Final answer
    x = 367,885.43

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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.