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Finding the Fourth Proportional to 3,578,658.82, 4,941,528.88 and 3,319,023.65

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Solution

The fourth proportional to 3,578,658.82, 4,941,528.88 and 3,319,023.65 is: 4,583,016.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578,658.82 : 4,941,528.88 = 3,319,023.65 : x
  2. Step 2: Convert to fraction form
    3,578,658.82/4,941,528.88 = 3,319,023.65/x
  3. Step 3: Cross multiply
    3,578,658.82x = 4,941,528.88 × 3,319,023.65
  4. Step 4: Simplify right side
    3,578,658.82x = 16,401,051,220,892.07
  5. Step 5: Solve for x
    x = 16,401,051,220,892.07/3,578,658.82
  6. Step 6: Final answer
    x = 4,583,016.16

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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.