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Finding the Fourth Proportional to 620,895.72, 931,349.34 and 247,014.12

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Solution

The fourth proportional to 620,895.72, 931,349.34 and 247,014.12 is: 370,523.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,895.72 : 931,349.34 = 247,014.12 : x
  2. Step 2: Convert to fraction form
    620,895.72/931,349.34 = 247,014.12/x
  3. Step 3: Cross multiply
    620,895.72x = 931,349.34 × 247,014.12
  4. Step 4: Simplify right side
    620,895.72x = 230,056,437,632.68
  5. Step 5: Solve for x
    x = 230,056,437,632.68/620,895.72
  6. Step 6: Final answer
    x = 370,523.47

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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.