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Finding the Fourth Proportional to 489,215.60, 733,823.40 and 337,000.40

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Solution

The fourth proportional to 489,215.60, 733,823.40 and 337,000.40 is: 505,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,215.60 : 733,823.40 = 337,000.40 : x
  2. Step 2: Convert to fraction form
    489,215.60/733,823.40 = 337,000.40/x
  3. Step 3: Cross multiply
    489,215.60x = 733,823.40 × 337,000.40
  4. Step 4: Simplify right side
    489,215.60x = 247,298,779,329.36
  5. Step 5: Solve for x
    x = 247,298,779,329.36/489,215.60
  6. Step 6: Final answer
    x = 505,500.60

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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.