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Finding the Fourth Proportional to 383,470.80, 575,200.80 and 173,108.40

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Solution

The fourth proportional to 383,470.80, 575,200.80 and 173,108.40 is: 259,660.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,470.80 : 575,200.80 = 173,108.40 : x
  2. Step 2: Convert to fraction form
    383,470.80/575,200.80 = 173,108.40/x
  3. Step 3: Cross multiply
    383,470.80x = 575,200.80 × 173,108.40
  4. Step 4: Simplify right side
    383,470.80x = 99,572,090,166.72
  5. Step 5: Solve for x
    x = 99,572,090,166.72/383,470.80
  6. Step 6: Final answer
    x = 259,660.16

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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.