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Finding the Fourth Proportional to 383,589.09, 575,362.81 and 117,349.62

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Solution

The fourth proportional to 383,589.09, 575,362.81 and 117,349.62 is: 176,018.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,589.09 : 575,362.81 = 117,349.62 : x
  2. Step 2: Convert to fraction form
    383,589.09/575,362.81 = 117,349.62/x
  3. Step 3: Cross multiply
    383,589.09x = 575,362.81 × 117,349.62
  4. Step 4: Simplify right side
    383,589.09x = 67,518,607,115.63
  5. Step 5: Solve for x
    x = 67,518,607,115.63/383,589.09
  6. Step 6: Final answer
    x = 176,018.06

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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.