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Finding the Fourth Proportional to 348,109.44, 522,190.88 and 148,430.87

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Solution

The fourth proportional to 348,109.44, 522,190.88 and 148,430.87 is: 222,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,109.44 : 522,190.88 = 148,430.87 : x
  2. Step 2: Convert to fraction form
    348,109.44/522,190.88 = 148,430.87/x
  3. Step 3: Cross multiply
    348,109.44x = 522,190.88 × 148,430.87
  4. Step 4: Simplify right side
    348,109.44x = 77,509,246,624.47
  5. Step 5: Solve for x
    x = 77,509,246,624.47/348,109.44
  6. Step 6: Final answer
    x = 222,657.70

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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.