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Finding the Fourth Proportional to 405,232.66, 607,658.14 and 236,801.67

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Solution

The fourth proportional to 405,232.66, 607,658.14 and 236,801.67 is: 355,090.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,232.66 : 607,658.14 = 236,801.67 : x
  2. Step 2: Convert to fraction form
    405,232.66/607,658.14 = 236,801.67/x
  3. Step 3: Cross multiply
    405,232.66x = 607,658.14 × 236,801.67
  4. Step 4: Simplify right side
    405,232.66x = 143,894,462,341.09
  5. Step 5: Solve for x
    x = 143,894,462,341.09/405,232.66
  6. Step 6: Final answer
    x = 355,090.98

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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.