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Finding the Fourth Proportional to 605,110,999.30, 907,666,498.95 and 605,110,999.30

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Solution

The fourth proportional to 605,110,999.30, 907,666,498.95 and 605,110,999.30 is: 907,666,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,110,999.30 : 907,666,498.95 = 605,110,999.30 : x
  2. Step 2: Convert to fraction form
    605,110,999.30/907,666,498.95 = 605,110,999.30/x
  3. Step 3: Cross multiply
    605,110,999.30x = 907,666,498.95 × 605,110,999.30
  4. Step 4: Simplify right side
    605,110,999.30x = 549,238,982,210,766,912
  5. Step 5: Solve for x
    x = 549,238,982,210,766,912/605,110,999.30
  6. Step 6: Final answer
    x = 907,666,498.95

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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.