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Finding the Fourth Proportional to 445,970.80, 669,140.88 and 246,273.40

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Solution

The fourth proportional to 445,970.80, 669,140.88 and 246,273.40 is: 369,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,970.80 : 669,140.88 = 246,273.40 : x
  2. Step 2: Convert to fraction form
    445,970.80/669,140.88 = 246,273.40/x
  3. Step 3: Cross multiply
    445,970.80x = 669,140.88 × 246,273.40
  4. Step 4: Simplify right side
    445,970.80x = 164,791,599,596.59
  5. Step 5: Solve for x
    x = 164,791,599,596.59/445,970.80
  6. Step 6: Final answer
    x = 369,512.08

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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.