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Finding the Fourth Proportional to 348,153.90, 480,010.86 and 248,817.22

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Solution

The fourth proportional to 348,153.90, 480,010.86 and 248,817.22 is: 343,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,153.90 : 480,010.86 = 248,817.22 : x
  2. Step 2: Convert to fraction form
    348,153.90/480,010.86 = 248,817.22/x
  3. Step 3: Cross multiply
    348,153.90x = 480,010.86 × 248,817.22
  4. Step 4: Simplify right side
    348,153.90x = 119,434,966,554.98
  5. Step 5: Solve for x
    x = 119,434,966,554.98/348,153.90
  6. Step 6: Final answer
    x = 343,052.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.