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Finding the Fourth Proportional to 404,041.64, 606,071.66 and 119,726.80

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Solution

The fourth proportional to 404,041.64, 606,071.66 and 119,726.80 is: 179,592.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,041.64 : 606,071.66 = 119,726.80 : x
  2. Step 2: Convert to fraction form
    404,041.64/606,071.66 = 119,726.80/x
  3. Step 3: Cross multiply
    404,041.64x = 606,071.66 × 119,726.80
  4. Step 4: Simplify right side
    404,041.64x = 72,563,020,422.49
  5. Step 5: Solve for x
    x = 72,563,020,422.49/404,041.64
  6. Step 6: Final answer
    x = 179,592.93

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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.