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Finding the Fourth Proportional to 578,005,927.92, 797,648,596.56 and 313,687,852.56

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Solution

The fourth proportional to 578,005,927.92, 797,648,596.56 and 313,687,852.56 is: 432,889,462.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,005,927.92 : 797,648,596.56 = 313,687,852.56 : x
  2. Step 2: Convert to fraction form
    578,005,927.92/797,648,596.56 = 313,687,852.56/x
  3. Step 3: Cross multiply
    578,005,927.92x = 797,648,596.56 × 313,687,852.56
  4. Step 4: Simplify right side
    578,005,927.92x = 250,212,675,352,404,192
  5. Step 5: Solve for x
    x = 250,212,675,352,404,192/578,005,927.92
  6. Step 6: Final answer
    x = 432,889,462.32

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Why These Related Problems?

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