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Finding the Fourth Proportional to 298,503.62, 411,925.44 and 162,536.51

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Solution

The fourth proportional to 298,503.62, 411,925.44 and 162,536.51 is: 224,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,503.62 : 411,925.44 = 162,536.51 : x
  2. Step 2: Convert to fraction form
    298,503.62/411,925.44 = 162,536.51/x
  3. Step 3: Cross multiply
    298,503.62x = 411,925.44 × 162,536.51
  4. Step 4: Simplify right side
    298,503.62x = 66,952,921,338.19
  5. Step 5: Solve for x
    x = 66,952,921,338.19/298,503.62
  6. Step 6: Final answer
    x = 224,295.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.