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Finding the Fourth Proportional to 604,705.31, 907,189.19 and 183,970.25

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Solution

The fourth proportional to 604,705.31, 907,189.19 and 183,970.25 is: 275,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,705.31 : 907,189.19 = 183,970.25 : x
  2. Step 2: Convert to fraction form
    604,705.31/907,189.19 = 183,970.25/x
  3. Step 3: Cross multiply
    604,705.31x = 907,189.19 × 183,970.25
  4. Step 4: Simplify right side
    604,705.31x = 166,895,822,081.60
  5. Step 5: Solve for x
    x = 166,895,822,081.60/604,705.31
  6. Step 6: Final answer
    x = 275,995.30

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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.