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Finding the Fourth Proportional to 353,718.74, 530,244.59 and 176,057.80

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Solution

The fourth proportional to 353,718.74, 530,244.59 and 176,057.80 is: 263,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,718.74 : 530,244.59 = 176,057.80 : x
  2. Step 2: Convert to fraction form
    353,718.74/530,244.59 = 176,057.80/x
  3. Step 3: Cross multiply
    353,718.74x = 530,244.59 × 176,057.80
  4. Step 4: Simplify right side
    353,718.74x = 93,353,693,771.40
  5. Step 5: Solve for x
    x = 93,353,693,771.40/353,718.74
  6. Step 6: Final answer
    x = 263,920.69

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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.