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Finding the Fourth Proportional to 6,497,359.80, 9,746,039.70 and 4,481,820.60

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Solution

The fourth proportional to 6,497,359.80, 9,746,039.70 and 4,481,820.60 is: 6,722,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,497,359.80 : 9,746,039.70 = 4,481,820.60 : x
  2. Step 2: Convert to fraction form
    6,497,359.80/9,746,039.70 = 4,481,820.60/x
  3. Step 3: Cross multiply
    6,497,359.80x = 9,746,039.70 × 4,481,820.60
  4. Step 4: Simplify right side
    6,497,359.80x = 43,680,001,495,877.81
  5. Step 5: Solve for x
    x = 43,680,001,495,877.81/6,497,359.80
  6. Step 6: Final answer
    x = 6,722,730.90

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Similar ratio
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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.