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Finding the Fourth Proportional to 376,490,026.20, 564,735,039.30 and 376,490,026.20

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Solution

The fourth proportional to 376,490,026.20, 564,735,039.30 and 376,490,026.20 is: 564,735,039.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,490,026.20 : 564,735,039.30 = 376,490,026.20 : x
  2. Step 2: Convert to fraction form
    376,490,026.20/564,735,039.30 = 376,490,026.20/x
  3. Step 3: Cross multiply
    376,490,026.20x = 564,735,039.30 × 376,490,026.20
  4. Step 4: Simplify right side
    376,490,026.20x = 212,617,109,742,115,008
  5. Step 5: Solve for x
    x = 212,617,109,742,115,008/376,490,026.20
  6. Step 6: Final answer
    x = 564,735,039.30

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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.