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Finding the Fourth Proportional to 348,307.75, 522,468.11 and 98,996.23

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Solution

The fourth proportional to 348,307.75, 522,468.11 and 98,996.23 is: 148,496.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,307.75 : 522,468.11 = 98,996.23 : x
  2. Step 2: Convert to fraction form
    348,307.75/522,468.11 = 98,996.23/x
  3. Step 3: Cross multiply
    348,307.75x = 522,468.11 × 98,996.23
  4. Step 4: Simplify right side
    348,307.75x = 51,722,373,185.23
  5. Step 5: Solve for x
    x = 51,722,373,185.23/348,307.75
  6. Step 6: Final answer
    x = 148,496.19

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Double scale
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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.