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Finding the Fourth Proportional to 260,433.95, 390,689.91 and 94,260.83

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Solution

The fourth proportional to 260,433.95, 390,689.91 and 94,260.83 is: 141,405.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,433.95 : 390,689.91 = 94,260.83 : x
  2. Step 2: Convert to fraction form
    260,433.95/390,689.91 = 94,260.83/x
  3. Step 3: Cross multiply
    260,433.95x = 390,689.91 × 94,260.83
  4. Step 4: Simplify right side
    260,433.95x = 36,826,753,235.78
  5. Step 5: Solve for x
    x = 36,826,753,235.78/260,433.95
  6. Step 6: Final answer
    x = 141,405.35

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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.