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Finding the Fourth Proportional to 347,827.80, 488,358.60 and 347,827.80

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Solution

The fourth proportional to 347,827.80, 488,358.60 and 347,827.80 is: 488,358.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,827.80 : 488,358.60 = 347,827.80 : x
  2. Step 2: Convert to fraction form
    347,827.80/488,358.60 = 347,827.80/x
  3. Step 3: Cross multiply
    347,827.80x = 488,358.60 × 347,827.80
  4. Step 4: Simplify right side
    347,827.80x = 169,864,697,449.08
  5. Step 5: Solve for x
    x = 169,864,697,449.08/347,827.80
  6. Step 6: Final answer
    x = 488,358.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.