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Finding the Fourth Proportional to 383,435.79, 575,132.76 and 117,196.22

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Solution

The fourth proportional to 383,435.79, 575,132.76 and 117,196.22 is: 175,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,435.79 : 575,132.76 = 117,196.22 : x
  2. Step 2: Convert to fraction form
    383,435.79/575,132.76 = 117,196.22/x
  3. Step 3: Cross multiply
    383,435.79x = 575,132.76 × 117,196.22
  4. Step 4: Simplify right side
    383,435.79x = 67,403,385,470.17
  5. Step 5: Solve for x
    x = 67,403,385,470.17/383,435.79
  6. Step 6: Final answer
    x = 175,787.93

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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.