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Finding the Fourth Proportional to 405,236.51, 607,854.76 and 152,573.69

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Solution

The fourth proportional to 405,236.51, 607,854.76 and 152,573.69 is: 228,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,236.51 : 607,854.76 = 152,573.69 : x
  2. Step 2: Convert to fraction form
    405,236.51/607,854.76 = 152,573.69/x
  3. Step 3: Cross multiply
    405,236.51x = 607,854.76 × 152,573.69
  4. Step 4: Simplify right side
    405,236.51x = 92,742,644,855.47
  5. Step 5: Solve for x
    x = 92,742,644,855.47/405,236.51
  6. Step 6: Final answer
    x = 228,860.54

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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.