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Finding the Fourth Proportional to 348,615.44, 522,923.15 and 243,639.44

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Solution

The fourth proportional to 348,615.44, 522,923.15 and 243,639.44 is: 365,459.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,615.44 : 522,923.15 = 243,639.44 : x
  2. Step 2: Convert to fraction form
    348,615.44/522,923.15 = 243,639.44/x
  3. Step 3: Cross multiply
    348,615.44x = 522,923.15 × 243,639.44
  4. Step 4: Simplify right side
    348,615.44x = 127,404,701,423.52
  5. Step 5: Solve for x
    x = 127,404,701,423.52/348,615.44
  6. Step 6: Final answer
    x = 365,459.15

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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.