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Finding the Fourth Proportional to 347,176.80, 519,598.80 and 242,200.80

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Solution

The fourth proportional to 347,176.80, 519,598.80 and 242,200.80 is: 362,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,176.80 : 519,598.80 = 242,200.80 : x
  2. Step 2: Convert to fraction form
    347,176.80/519,598.80 = 242,200.80/x
  3. Step 3: Cross multiply
    347,176.80x = 519,598.80 × 242,200.80
  4. Step 4: Simplify right side
    347,176.80x = 125,847,245,039.04
  5. Step 5: Solve for x
    x = 125,847,245,039.04/347,176.80
  6. Step 6: Final answer
    x = 362,487.48

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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.