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Finding the Fourth Proportional to 348,657.31, 522,491.56 and 146,035.07

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Solution

The fourth proportional to 348,657.31, 522,491.56 and 146,035.07 is: 218,845.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,657.31 : 522,491.56 = 146,035.07 : x
  2. Step 2: Convert to fraction form
    348,657.31/522,491.56 = 146,035.07/x
  3. Step 3: Cross multiply
    348,657.31x = 522,491.56 × 146,035.07
  4. Step 4: Simplify right side
    348,657.31x = 76,302,090,415.32
  5. Step 5: Solve for x
    x = 76,302,090,415.32/348,657.31
  6. Step 6: Final answer
    x = 218,845.52

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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.