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Finding the Fourth Proportional to 356,238,139.73, 533,506,903.99 and 356,238,139.73

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Solution

The fourth proportional to 356,238,139.73, 533,506,903.99 and 356,238,139.73 is: 533,506,903.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,238,139.73 : 533,506,903.99 = 356,238,139.73 : x
  2. Step 2: Convert to fraction form
    356,238,139.73/533,506,903.99 = 356,238,139.73/x
  3. Step 3: Cross multiply
    356,238,139.73x = 533,506,903.99 × 356,238,139.73
  4. Step 4: Simplify right side
    356,238,139.73x = 190,055,507,006,951,200
  5. Step 5: Solve for x
    x = 190,055,507,006,951,200/356,238,139.73
  6. Step 6: Final answer
    x = 533,506,903.99

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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.