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Finding the Fourth Proportional to 606,259.40, 907,833.90 and 578,265.80

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Solution

The fourth proportional to 606,259.40, 907,833.90 and 578,265.80 is: 865,915.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,259.40 : 907,833.90 = 578,265.80 : x
  2. Step 2: Convert to fraction form
    606,259.40/907,833.90 = 578,265.80/x
  3. Step 3: Cross multiply
    606,259.40x = 907,833.90 × 578,265.80
  4. Step 4: Simplify right side
    606,259.40x = 524,969,296,450.62
  5. Step 5: Solve for x
    x = 524,969,296,450.62/606,259.40
  6. Step 6: Final answer
    x = 865,915.31

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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.