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Finding the Fourth Proportional to 6,357,864.96, 8,773,804.80 and 3,457,257.60

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Solution

The fourth proportional to 6,357,864.96, 8,773,804.80 and 3,457,257.60 is: 4,770,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,357,864.96 : 8,773,804.80 = 3,457,257.60 : x
  2. Step 2: Convert to fraction form
    6,357,864.96/8,773,804.80 = 3,457,257.60/x
  3. Step 3: Cross multiply
    6,357,864.96x = 8,773,804.80 × 3,457,257.60
  4. Step 4: Simplify right side
    6,357,864.96x = 30,333,303,325,716.48
  5. Step 5: Solve for x
    x = 30,333,303,325,716.48/6,357,864.96
  6. Step 6: Final answer
    x = 4,770,988.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.