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Finding the Fourth Proportional to 353,393.16, 530,260.02 and 175,915.80

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Solution

The fourth proportional to 353,393.16, 530,260.02 and 175,915.80 is: 263,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,393.16 : 530,260.02 = 175,915.80 : x
  2. Step 2: Convert to fraction form
    353,393.16/530,260.02 = 175,915.80/x
  3. Step 3: Cross multiply
    353,393.16x = 530,260.02 × 175,915.80
  4. Step 4: Simplify right side
    353,393.16x = 93,281,115,626.32
  5. Step 5: Solve for x
    x = 93,281,115,626.32/353,393.16
  6. Step 6: Final answer
    x = 263,958.46

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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.