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Finding the Fourth Proportional to 427,730.76, 590,202.36 and 246,407.16

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Solution

The fourth proportional to 427,730.76, 590,202.36 and 246,407.16 is: 340,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,730.76 : 590,202.36 = 246,407.16 : x
  2. Step 2: Convert to fraction form
    427,730.76/590,202.36 = 246,407.16/x
  3. Step 3: Cross multiply
    427,730.76x = 590,202.36 × 246,407.16
  4. Step 4: Simplify right side
    427,730.76x = 145,430,087,352.90
  5. Step 5: Solve for x
    x = 145,430,087,352.90/427,730.76
  6. Step 6: Final answer
    x = 340,003.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.