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Finding the Fourth Proportional to 606,949.80, 910,424.70 and 292,021.80

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Solution

The fourth proportional to 606,949.80, 910,424.70 and 292,021.80 is: 438,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,949.80 : 910,424.70 = 292,021.80 : x
  2. Step 2: Convert to fraction form
    606,949.80/910,424.70 = 292,021.80/x
  3. Step 3: Cross multiply
    606,949.80x = 910,424.70 × 292,021.80
  4. Step 4: Simplify right side
    606,949.80x = 265,863,859,658.46
  5. Step 5: Solve for x
    x = 265,863,859,658.46/606,949.80
  6. Step 6: Final answer
    x = 438,032.70

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1.5x scale

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.