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Finding the Fourth Proportional to 383,859, 575,790.12 and 117,599.04

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Solution

The fourth proportional to 383,859, 575,790.12 and 117,599.04 is: 176,399.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,859 : 575,790.12 = 117,599.04 : x
  2. Step 2: Convert to fraction form
    383,859/575,790.12 = 117,599.04/x
  3. Step 3: Cross multiply
    383,859x = 575,790.12 × 117,599.04
  4. Step 4: Simplify right side
    383,859x = 67,712,365,353.48
  5. Step 5: Solve for x
    x = 67,712,365,353.48/383,859
  6. Step 6: Final answer
    x = 176,399.06

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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.