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Finding the Fourth Proportional to 606,123.99, 909,746.82 and 306,814.77

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Solution

The fourth proportional to 606,123.99, 909,746.82 and 306,814.77 is: 460,506.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,123.99 : 909,746.82 = 306,814.77 : x
  2. Step 2: Convert to fraction form
    606,123.99/909,746.82 = 306,814.77/x
  3. Step 3: Cross multiply
    606,123.99x = 909,746.82 × 306,814.77
  4. Step 4: Simplify right side
    606,123.99x = 279,123,761,336.53
  5. Step 5: Solve for x
    x = 279,123,761,336.53/606,123.99
  6. Step 6: Final answer
    x = 460,506.04

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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.