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Finding the Fourth Proportional to 358,429.20, 537,643.80 and 246,454.80

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Solution

The fourth proportional to 358,429.20, 537,643.80 and 246,454.80 is: 369,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,429.20 : 537,643.80 = 246,454.80 : x
  2. Step 2: Convert to fraction form
    358,429.20/537,643.80 = 246,454.80/x
  3. Step 3: Cross multiply
    358,429.20x = 537,643.80 × 246,454.80
  4. Step 4: Simplify right side
    358,429.20x = 132,504,895,200.24
  5. Step 5: Solve for x
    x = 132,504,895,200.24/358,429.20
  6. Step 6: Final answer
    x = 369,682.20

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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.