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Finding the Fourth Proportional to 262,210.40, 393,315.60 and 232,661.60

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Solution

The fourth proportional to 262,210.40, 393,315.60 and 232,661.60 is: 348,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,210.40 : 393,315.60 = 232,661.60 : x
  2. Step 2: Convert to fraction form
    262,210.40/393,315.60 = 232,661.60/x
  3. Step 3: Cross multiply
    262,210.40x = 393,315.60 × 232,661.60
  4. Step 4: Simplify right side
    262,210.40x = 91,509,436,800.96
  5. Step 5: Solve for x
    x = 91,509,436,800.96/262,210.40
  6. Step 6: Final answer
    x = 348,992.40

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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.