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Finding the Fourth Proportional to 6,357,307.64, 8,773,023.60 and 3,456,699.53

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Solution

The fourth proportional to 6,357,307.64, 8,773,023.60 and 3,456,699.53 is: 4,770,212.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,357,307.64 : 8,773,023.60 = 3,456,699.53 : x
  2. Step 2: Convert to fraction form
    6,357,307.64/8,773,023.60 = 3,456,699.53/x
  3. Step 3: Cross multiply
    6,357,307.64x = 8,773,023.60 × 3,456,699.53
  4. Step 4: Simplify right side
    6,357,307.64x = 30,325,706,510,933.79
  5. Step 5: Solve for x
    x = 30,325,706,510,933.79/6,357,307.64
  6. Step 6: Final answer
    x = 4,770,212.21

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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.