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Finding the Fourth Proportional to 564,711,483.54, 779,320,749.18 and 313,826,449.80

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Solution

The fourth proportional to 564,711,483.54, 779,320,749.18 and 313,826,449.80 is: 433,091,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,711,483.54 : 779,320,749.18 = 313,826,449.80 : x
  2. Step 2: Convert to fraction form
    564,711,483.54/779,320,749.18 = 313,826,449.80/x
  3. Step 3: Cross multiply
    564,711,483.54x = 779,320,749.18 × 313,826,449.80
  4. Step 4: Simplify right side
    564,711,483.54x = 244,571,463,970,635,648
  5. Step 5: Solve for x
    x = 244,571,463,970,635,648/564,711,483.54
  6. Step 6: Final answer
    x = 433,091,005.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.