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Finding the Fourth Proportional to 570,141.76, 854,959.92 and 303,852.64

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Solution

The fourth proportional to 570,141.76, 854,959.92 and 303,852.64 is: 455,644.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,141.76 : 854,959.92 = 303,852.64 : x
  2. Step 2: Convert to fraction form
    570,141.76/854,959.92 = 303,852.64/x
  3. Step 3: Cross multiply
    570,141.76x = 854,959.92 × 303,852.64
  4. Step 4: Simplify right side
    570,141.76x = 259,781,828,786.19
  5. Step 5: Solve for x
    x = 259,781,828,786.19/570,141.76
  6. Step 6: Final answer
    x = 455,644.27

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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.