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Finding the Fourth Proportional to 383,573.70, 575,310.15 and 117,360.90

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Solution

The fourth proportional to 383,573.70, 575,310.15 and 117,360.90 is: 176,025.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,573.70 : 575,310.15 = 117,360.90 : x
  2. Step 2: Convert to fraction form
    383,573.70/575,310.15 = 117,360.90/x
  3. Step 3: Cross multiply
    383,573.70x = 575,310.15 × 117,360.90
  4. Step 4: Simplify right side
    383,573.70x = 67,518,916,983.14
  5. Step 5: Solve for x
    x = 67,518,916,983.14/383,573.70
  6. Step 6: Final answer
    x = 176,025.93

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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.