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Finding the Fourth Proportional to 452,872.19, 679,613.76 and 186,626.81

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Solution

The fourth proportional to 452,872.19, 679,613.76 and 186,626.81 is: 280,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,872.19 : 679,613.76 = 186,626.81 : x
  2. Step 2: Convert to fraction form
    452,872.19/679,613.76 = 186,626.81/x
  3. Step 3: Cross multiply
    452,872.19x = 679,613.76 × 186,626.81
  4. Step 4: Simplify right side
    452,872.19x = 126,834,144,662.84
  5. Step 5: Solve for x
    x = 126,834,144,662.84/452,872.19
  6. Step 6: Final answer
    x = 280,066.10

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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.