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Finding the Fourth Proportional to 454,690,646.04, 627,329,856.06 and 278,294,749.32

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Solution

The fourth proportional to 454,690,646.04, 627,329,856.06 and 278,294,749.32 is: 383,959,086.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,690,646.04 : 627,329,856.06 = 278,294,749.32 : x
  2. Step 2: Convert to fraction form
    454,690,646.04/627,329,856.06 = 278,294,749.32/x
  3. Step 3: Cross multiply
    454,690,646.04x = 627,329,856.06 × 278,294,749.32
  4. Step 4: Simplify right side
    454,690,646.04x = 174,582,605,033,169,376
  5. Step 5: Solve for x
    x = 174,582,605,033,169,376/454,690,646.04
  6. Step 6: Final answer
    x = 383,959,086.37

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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.