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Finding the Fourth Proportional to 356,243,359.30, 534,365,038.95 and 356,243,359.30

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Solution

The fourth proportional to 356,243,359.30, 534,365,038.95 and 356,243,359.30 is: 534,365,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,243,359.30 : 534,365,038.95 = 356,243,359.30 : x
  2. Step 2: Convert to fraction form
    356,243,359.30/534,365,038.95 = 356,243,359.30/x
  3. Step 3: Cross multiply
    356,243,359.30x = 534,365,038.95 × 356,243,359.30
  4. Step 4: Simplify right side
    356,243,359.30x = 190,363,996,568,023,360
  5. Step 5: Solve for x
    x = 190,363,996,568,023,360/356,243,359.30
  6. Step 6: Final answer
    x = 534,365,038.95

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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.