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Finding the Fourth Proportional to 587,615.40, 882,344.70 and 338,783.40

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Solution

The fourth proportional to 587,615.40, 882,344.70 and 338,783.40 is: 508,706.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,615.40 : 882,344.70 = 338,783.40 : x
  2. Step 2: Convert to fraction form
    587,615.40/882,344.70 = 338,783.40/x
  3. Step 3: Cross multiply
    587,615.40x = 882,344.70 × 338,783.40
  4. Step 4: Simplify right side
    587,615.40x = 298,923,737,437.98
  5. Step 5: Solve for x
    x = 298,923,737,437.98/587,615.40
  6. Step 6: Final answer
    x = 508,706.44

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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.