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Finding the Fourth Proportional to 380,524.72, 525,127.98 and 229,592.56

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Solution

The fourth proportional to 380,524.72, 525,127.98 and 229,592.56 is: 316,840.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,524.72 : 525,127.98 = 229,592.56 : x
  2. Step 2: Convert to fraction form
    380,524.72/525,127.98 = 229,592.56/x
  3. Step 3: Cross multiply
    380,524.72x = 525,127.98 × 229,592.56
  4. Step 4: Simplify right side
    380,524.72x = 120,565,477,707.68
  5. Step 5: Solve for x
    x = 120,565,477,707.68/380,524.72
  6. Step 6: Final answer
    x = 316,840.06

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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.