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Finding the Fourth Proportional to 262,095.30, 392,566.68 and 216,601.05

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Solution

The fourth proportional to 262,095.30, 392,566.68 and 216,601.05 is: 324,425.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,095.30 : 392,566.68 = 216,601.05 : x
  2. Step 2: Convert to fraction form
    262,095.30/392,566.68 = 216,601.05/x
  3. Step 3: Cross multiply
    262,095.30x = 392,566.68 × 216,601.05
  4. Step 4: Simplify right side
    262,095.30x = 85,030,355,083.01
  5. Step 5: Solve for x
    x = 85,030,355,083.01/262,095.30
  6. Step 6: Final answer
    x = 324,425.33

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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.