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Finding the Fourth Proportional to 585,189.59, 807,627.31 and 330,557.18

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Solution

The fourth proportional to 585,189.59, 807,627.31 and 330,557.18 is: 456,206.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,189.59 : 807,627.31 = 330,557.18 : x
  2. Step 2: Convert to fraction form
    585,189.59/807,627.31 = 330,557.18/x
  3. Step 3: Cross multiply
    585,189.59x = 807,627.31 × 330,557.18
  4. Step 4: Simplify right side
    585,189.59x = 266,967,001,220.06
  5. Step 5: Solve for x
    x = 266,967,001,220.06/585,189.59
  6. Step 6: Final answer
    x = 456,206.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.