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Finding the Fourth Proportional to 422,551,337.40, 633,827,006.10 and 368,803,625.40

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Solution

The fourth proportional to 422,551,337.40, 633,827,006.10 and 368,803,625.40 is: 553,205,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,551,337.40 : 633,827,006.10 = 368,803,625.40 : x
  2. Step 2: Convert to fraction form
    422,551,337.40/633,827,006.10 = 368,803,625.40/x
  3. Step 3: Cross multiply
    422,551,337.40x = 633,827,006.10 × 368,803,625.40
  4. Step 4: Simplify right side
    422,551,337.40x = 233,757,697,726,107,904
  5. Step 5: Solve for x
    x = 233,757,697,726,107,904/422,551,337.40
  6. Step 6: Final answer
    x = 553,205,438.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.