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Finding the Fourth Proportional to 591,114.88, 815,743.92 and 336,482.56

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Solution

The fourth proportional to 591,114.88, 815,743.92 and 336,482.56 is: 464,349.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,114.88 : 815,743.92 = 336,482.56 : x
  2. Step 2: Convert to fraction form
    591,114.88/815,743.92 = 336,482.56/x
  3. Step 3: Cross multiply
    591,114.88x = 815,743.92 × 336,482.56
  4. Step 4: Simplify right side
    591,114.88x = 274,483,602,506.04
  5. Step 5: Solve for x
    x = 274,483,602,506.04/591,114.88
  6. Step 6: Final answer
    x = 464,349.00

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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.