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Finding the Fourth Proportional to 348,000.80, 522,001.20 and 295,512.80

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Solution

The fourth proportional to 348,000.80, 522,001.20 and 295,512.80 is: 443,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,000.80 : 522,001.20 = 295,512.80 : x
  2. Step 2: Convert to fraction form
    348,000.80/522,001.20 = 295,512.80/x
  3. Step 3: Cross multiply
    348,000.80x = 522,001.20 × 295,512.80
  4. Step 4: Simplify right side
    348,000.80x = 154,258,036,215.36
  5. Step 5: Solve for x
    x = 154,258,036,215.36/348,000.80
  6. Step 6: Final answer
    x = 443,269.20

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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.