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Finding the Fourth Proportional to 601,279.74, 829,902.60 and 374,881.50

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Solution

The fourth proportional to 601,279.74, 829,902.60 and 374,881.50 is: 517,421.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,279.74 : 829,902.60 = 374,881.50 : x
  2. Step 2: Convert to fraction form
    601,279.74/829,902.60 = 374,881.50/x
  3. Step 3: Cross multiply
    601,279.74x = 829,902.60 × 374,881.50
  4. Step 4: Simplify right side
    601,279.74x = 311,115,131,541.90
  5. Step 5: Solve for x
    x = 311,115,131,541.90/601,279.74
  6. Step 6: Final answer
    x = 517,421.61

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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.