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Finding the Fourth Proportional to 604,705.69, 907,189.75 and 183,970.63

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Solution

The fourth proportional to 604,705.69, 907,189.75 and 183,970.63 is: 275,995.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,705.69 : 907,189.75 = 183,970.63 : x
  2. Step 2: Convert to fraction form
    604,705.69/907,189.75 = 183,970.63/x
  3. Step 3: Cross multiply
    604,705.69x = 907,189.75 × 183,970.63
  4. Step 4: Simplify right side
    604,705.69x = 166,896,265,301.09
  5. Step 5: Solve for x
    x = 166,896,265,301.09/604,705.69
  6. Step 6: Final answer
    x = 275,995.86

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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.