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Finding the Fourth Proportional to 685,929.80, 946,267.98 and 444,293

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Solution

The fourth proportional to 685,929.80, 946,267.98 and 444,293 is: 612,920.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,929.80 : 946,267.98 = 444,293 : x
  2. Step 2: Convert to fraction form
    685,929.80/946,267.98 = 444,293/x
  3. Step 3: Cross multiply
    685,929.80x = 946,267.98 × 444,293
  4. Step 4: Simplify right side
    685,929.80x = 420,420,239,638.14
  5. Step 5: Solve for x
    x = 420,420,239,638.14/685,929.80
  6. Step 6: Final answer
    x = 612,920.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.