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Finding the Fourth Proportional to 606,337.80, 909,506.70 and 576,813.30

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Solution

The fourth proportional to 606,337.80, 909,506.70 and 576,813.30 is: 865,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,337.80 : 909,506.70 = 576,813.30 : x
  2. Step 2: Convert to fraction form
    606,337.80/909,506.70 = 576,813.30/x
  3. Step 3: Cross multiply
    606,337.80x = 909,506.70 × 576,813.30
  4. Step 4: Simplify right side
    606,337.80x = 524,615,560,999.11
  5. Step 5: Solve for x
    x = 524,615,560,999.11/606,337.80
  6. Step 6: Final answer
    x = 865,219.95

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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.