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Finding the Fourth Proportional to 894,967.80, 1,344,006.90 and 475,063.80

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Solution

The fourth proportional to 894,967.80, 1,344,006.90 and 475,063.80 is: 713,421.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,967.80 : 1,344,006.90 = 475,063.80 : x
  2. Step 2: Convert to fraction form
    894,967.80/1,344,006.90 = 475,063.80/x
  3. Step 3: Cross multiply
    894,967.80x = 1,344,006.90 × 475,063.80
  4. Step 4: Simplify right side
    894,967.80x = 638,489,025,140.22
  5. Step 5: Solve for x
    x = 638,489,025,140.22/894,967.80
  6. Step 6: Final answer
    x = 713,421.23

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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.