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Finding the Fourth Proportional to 348,358.86, 522,412.90 and 120,592.60

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Solution

The fourth proportional to 348,358.86, 522,412.90 and 120,592.60 is: 180,845.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,358.86 : 522,412.90 = 120,592.60 : x
  2. Step 2: Convert to fraction form
    348,358.86/522,412.90 = 120,592.60/x
  3. Step 3: Cross multiply
    348,358.86x = 522,412.90 × 120,592.60
  4. Step 4: Simplify right side
    348,358.86x = 62,999,129,884.54
  5. Step 5: Solve for x
    x = 62,999,129,884.54/348,358.86
  6. Step 6: Final answer
    x = 180,845.49

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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.