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Finding the Fourth Proportional to 472,678.65, 708,426.68 and 236,087.37

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Solution

The fourth proportional to 472,678.65, 708,426.68 and 236,087.37 is: 353,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,678.65 : 708,426.68 = 236,087.37 : x
  2. Step 2: Convert to fraction form
    472,678.65/708,426.68 = 236,087.37/x
  3. Step 3: Cross multiply
    472,678.65x = 708,426.68 × 236,087.37
  4. Step 4: Simplify right side
    472,678.65x = 167,250,590,538.60
  5. Step 5: Solve for x
    x = 167,250,590,538.60/472,678.65
  6. Step 6: Final answer
    x = 353,835.72

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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.