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Finding the Fourth Proportional to 348,215.58, 522,470.99 and 190,259.50

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Solution

The fourth proportional to 348,215.58, 522,470.99 and 190,259.50 is: 285,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,215.58 : 522,470.99 = 190,259.50 : x
  2. Step 2: Convert to fraction form
    348,215.58/522,470.99 = 190,259.50/x
  3. Step 3: Cross multiply
    348,215.58x = 522,470.99 × 190,259.50
  4. Step 4: Simplify right side
    348,215.58x = 99,405,069,737.17
  5. Step 5: Solve for x
    x = 99,405,069,737.17/348,215.58
  6. Step 6: Final answer
    x = 285,469.91

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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.