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Finding the Fourth Proportional to 6,474,404.80, 9,711,607.20 and 4,458,865.60

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Solution

The fourth proportional to 6,474,404.80, 9,711,607.20 and 4,458,865.60 is: 6,688,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474,404.80 : 9,711,607.20 = 4,458,865.60 : x
  2. Step 2: Convert to fraction form
    6,474,404.80/9,711,607.20 = 4,458,865.60/x
  3. Step 3: Cross multiply
    6,474,404.80x = 9,711,607.20 × 4,458,865.60
  4. Step 4: Simplify right side
    6,474,404.80x = 43,302,751,264,792.31
  5. Step 5: Solve for x
    x = 43,302,751,264,792.31/6,474,404.80
  6. Step 6: Final answer
    x = 6,688,298.40

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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.