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Finding the Fourth Proportional to 247,015.90, 370,523.98 and 69,522.91

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Solution

The fourth proportional to 247,015.90, 370,523.98 and 69,522.91 is: 104,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,015.90 : 370,523.98 = 69,522.91 : x
  2. Step 2: Convert to fraction form
    247,015.90/370,523.98 = 69,522.91/x
  3. Step 3: Cross multiply
    247,015.90x = 370,523.98 × 69,522.91
  4. Step 4: Simplify right side
    247,015.90x = 25,759,905,314.38
  5. Step 5: Solve for x
    x = 25,759,905,314.38/247,015.90
  6. Step 6: Final answer
    x = 104,284.40

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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.