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Finding the Fourth Proportional to 332,605.07, 498,920.45 and 116,421.93

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Solution

The fourth proportional to 332,605.07, 498,920.45 and 116,421.93 is: 174,637.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,605.07 : 498,920.45 = 116,421.93 : x
  2. Step 2: Convert to fraction form
    332,605.07/498,920.45 = 116,421.93/x
  3. Step 3: Cross multiply
    332,605.07x = 498,920.45 × 116,421.93
  4. Step 4: Simplify right side
    332,605.07x = 58,085,281,123.36
  5. Step 5: Solve for x
    x = 58,085,281,123.36/332,605.07
  6. Step 6: Final answer
    x = 174,637.39

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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.