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Finding the Fourth Proportional to 333,658.80, 460,658.31 and 257,033.61

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Solution

The fourth proportional to 333,658.80, 460,658.31 and 257,033.61 is: 354,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,658.80 : 460,658.31 = 257,033.61 : x
  2. Step 2: Convert to fraction form
    333,658.80/460,658.31 = 257,033.61/x
  3. Step 3: Cross multiply
    333,658.80x = 460,658.31 × 257,033.61
  4. Step 4: Simplify right side
    333,658.80x = 118,404,668,395.80
  5. Step 5: Solve for x
    x = 118,404,668,395.80/333,658.80
  6. Step 6: Final answer
    x = 354,867.51

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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.