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Finding the Fourth Proportional to 383,615.56, 575,434.27 and 117,370.18

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Solution

The fourth proportional to 383,615.56, 575,434.27 and 117,370.18 is: 176,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,615.56 : 575,434.27 = 117,370.18 : x
  2. Step 2: Convert to fraction form
    383,615.56/575,434.27 = 117,370.18/x
  3. Step 3: Cross multiply
    383,615.56x = 575,434.27 × 117,370.18
  4. Step 4: Simplify right side
    383,615.56x = 67,538,820,970.90
  5. Step 5: Solve for x
    x = 67,538,820,970.90/383,615.56
  6. Step 6: Final answer
    x = 176,058.61

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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.