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Finding the Fourth Proportional to 376,278,412.40, 564,417,618.60 and 376,278,412.40

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Solution

The fourth proportional to 376,278,412.40, 564,417,618.60 and 376,278,412.40 is: 564,417,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,278,412.40 : 564,417,618.60 = 376,278,412.40 : x
  2. Step 2: Convert to fraction form
    376,278,412.40/564,417,618.60 = 376,278,412.40/x
  3. Step 3: Cross multiply
    376,278,412.40x = 564,417,618.60 × 376,278,412.40
  4. Step 4: Simplify right side
    376,278,412.40x = 212,378,165,457,396,704
  5. Step 5: Solve for x
    x = 212,378,165,457,396,704/376,278,412.40
  6. Step 6: Final answer
    x = 564,417,618.60

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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.