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Finding the Fourth Proportional to 333,639.22, 460,422.36 and 180,678.61

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Solution

The fourth proportional to 333,639.22, 460,422.36 and 180,678.61 is: 249,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,639.22 : 460,422.36 = 180,678.61 : x
  2. Step 2: Convert to fraction form
    333,639.22/460,422.36 = 180,678.61/x
  3. Step 3: Cross multiply
    333,639.22x = 460,422.36 × 180,678.61
  4. Step 4: Simplify right side
    333,639.22x = 83,188,472,017.72
  5. Step 5: Solve for x
    x = 83,188,472,017.72/333,639.22
  6. Step 6: Final answer
    x = 249,336.61

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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.