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Finding the Fourth Proportional to 489,196.60, 733,794.90 and 236,598.10

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Solution

The fourth proportional to 489,196.60, 733,794.90 and 236,598.10 is: 354,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,196.60 : 733,794.90 = 236,598.10 : x
  2. Step 2: Convert to fraction form
    489,196.60/733,794.90 = 236,598.10/x
  3. Step 3: Cross multiply
    489,196.60x = 733,794.90 × 236,598.10
  4. Step 4: Simplify right side
    489,196.60x = 173,614,479,129.69
  5. Step 5: Solve for x
    x = 173,614,479,129.69/489,196.60
  6. Step 6: Final answer
    x = 354,897.15

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Double scale
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Similar ratio
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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.