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Finding the Fourth Proportional to 604,478.76, 906,685.33 and 183,721.83

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Solution

The fourth proportional to 604,478.76, 906,685.33 and 183,721.83 is: 275,572.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,478.76 : 906,685.33 = 183,721.83 : x
  2. Step 2: Convert to fraction form
    604,478.76/906,685.33 = 183,721.83/x
  3. Step 3: Cross multiply
    604,478.76x = 906,685.33 × 183,721.83
  4. Step 4: Simplify right side
    604,478.76x = 166,577,887,602.45
  5. Step 5: Solve for x
    x = 166,577,887,602.45/604,478.76
  6. Step 6: Final answer
    x = 275,572.77

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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.