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Finding the Fourth Proportional to 446,784.60, 670,209.30 and 268,908.60

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Solution

The fourth proportional to 446,784.60, 670,209.30 and 268,908.60 is: 403,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,784.60 : 670,209.30 = 268,908.60 : x
  2. Step 2: Convert to fraction form
    446,784.60/670,209.30 = 268,908.60/x
  3. Step 3: Cross multiply
    446,784.60x = 670,209.30 × 268,908.60
  4. Step 4: Simplify right side
    446,784.60x = 180,225,044,569.98
  5. Step 5: Solve for x
    x = 180,225,044,569.98/446,784.60
  6. Step 6: Final answer
    x = 403,382.40

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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.