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Finding the Fourth Proportional to 353,644.91, 530,467.54 and 116,987.59

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Solution

The fourth proportional to 353,644.91, 530,467.54 and 116,987.59 is: 175,481.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,644.91 : 530,467.54 = 116,987.59 : x
  2. Step 2: Convert to fraction form
    353,644.91/530,467.54 = 116,987.59/x
  3. Step 3: Cross multiply
    353,644.91x = 530,467.54 × 116,987.59
  4. Step 4: Simplify right side
    353,644.91x = 62,058,118,492.89
  5. Step 5: Solve for x
    x = 62,058,118,492.89/353,644.91
  6. Step 6: Final answer
    x = 175,481.44

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1.5x scale

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.