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Finding the Fourth Proportional to 606,726.05, 909,380.52 and 456,484.01

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Solution

The fourth proportional to 606,726.05, 909,380.52 and 456,484.01 is: 684,192.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,726.05 : 909,380.52 = 456,484.01 : x
  2. Step 2: Convert to fraction form
    606,726.05/909,380.52 = 456,484.01/x
  3. Step 3: Cross multiply
    606,726.05x = 909,380.52 × 456,484.01
  4. Step 4: Simplify right side
    606,726.05x = 415,117,661,838.58
  5. Step 5: Solve for x
    x = 415,117,661,838.58/606,726.05
  6. Step 6: Final answer
    x = 684,192.92

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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.