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Finding the Fourth Proportional to 606,348.30, 909,522.45 and 576,823.80

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Solution

The fourth proportional to 606,348.30, 909,522.45 and 576,823.80 is: 865,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,348.30 : 909,522.45 = 576,823.80 : x
  2. Step 2: Convert to fraction form
    606,348.30/909,522.45 = 576,823.80/x
  3. Step 3: Cross multiply
    606,348.30x = 909,522.45 × 576,823.80
  4. Step 4: Simplify right side
    606,348.30x = 524,634,195,794.31
  5. Step 5: Solve for x
    x = 524,634,195,794.31/606,348.30
  6. Step 6: Final answer
    x = 865,235.70

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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.