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Finding the Fourth Proportional to 383,599.76, 575,378.85 and 117,360.23

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Solution

The fourth proportional to 383,599.76, 575,378.85 and 117,360.23 is: 176,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,599.76 : 575,378.85 = 117,360.23 : x
  2. Step 2: Convert to fraction form
    383,599.76/575,378.85 = 117,360.23/x
  3. Step 3: Cross multiply
    383,599.76x = 575,378.85 × 117,360.23
  4. Step 4: Simplify right side
    383,599.76x = 67,526,594,173.14
  5. Step 5: Solve for x
    x = 67,526,594,173.14/383,599.76
  6. Step 6: Final answer
    x = 176,033.98

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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.