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Finding the Fourth Proportional to 2,970,375, 4,102,461 and 2,007,482.64

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Solution

The fourth proportional to 2,970,375, 4,102,461 and 2,007,482.64 is: 2,772,585.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970,375 : 4,102,461 = 2,007,482.64 : x
  2. Step 2: Convert to fraction form
    2,970,375/4,102,461 = 2,007,482.64/x
  3. Step 3: Cross multiply
    2,970,375x = 4,102,461 × 2,007,482.64
  4. Step 4: Simplify right side
    2,970,375x = 8,235,619,238,777.04
  5. Step 5: Solve for x
    x = 8,235,619,238,777.04/2,970,375
  6. Step 6: Final answer
    x = 2,772,585.70

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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.