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Finding the Fourth Proportional to 334,374.50, 501,590.91 and 85,056.50

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Solution

The fourth proportional to 334,374.50, 501,590.91 and 85,056.50 is: 127,592.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,374.50 : 501,590.91 = 85,056.50 : x
  2. Step 2: Convert to fraction form
    334,374.50/501,590.91 = 85,056.50/x
  3. Step 3: Cross multiply
    334,374.50x = 501,590.91 × 85,056.50
  4. Step 4: Simplify right side
    334,374.50x = 42,663,567,236.42
  5. Step 5: Solve for x
    x = 42,663,567,236.42/334,374.50
  6. Step 6: Final answer
    x = 127,592.17

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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.