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Finding the Fourth Proportional to 570,141.51, 854,959.55 and 303,852.39

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Solution

The fourth proportional to 570,141.51, 854,959.55 and 303,852.39 is: 455,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,141.51 : 854,959.55 = 303,852.39 : x
  2. Step 2: Convert to fraction form
    570,141.51/854,959.55 = 303,852.39/x
  3. Step 3: Cross multiply
    570,141.51x = 854,959.55 × 303,852.39
  4. Step 4: Simplify right side
    570,141.51x = 259,781,501,101.56
  5. Step 5: Solve for x
    x = 259,781,501,101.56/570,141.51
  6. Step 6: Final answer
    x = 455,643.90

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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.