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Finding the Fourth Proportional to 334,373.50, 501,589.41 and 85,055.50

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Solution

The fourth proportional to 334,373.50, 501,589.41 and 85,055.50 is: 127,590.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,373.50 : 501,589.41 = 85,055.50 : x
  2. Step 2: Convert to fraction form
    334,373.50/501,589.41 = 85,055.50/x
  3. Step 3: Cross multiply
    334,373.50x = 501,589.41 × 85,055.50
  4. Step 4: Simplify right side
    334,373.50x = 42,662,938,062.26
  5. Step 5: Solve for x
    x = 42,662,938,062.26/334,373.50
  6. Step 6: Final answer
    x = 127,590.67

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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.