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Finding the Fourth Proportional to 623,010.92, 859,755.42 and 336,530.98

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Solution

The fourth proportional to 623,010.92, 859,755.42 and 336,530.98 is: 464,412.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,010.92 : 859,755.42 = 336,530.98 : x
  2. Step 2: Convert to fraction form
    623,010.92/859,755.42 = 336,530.98/x
  3. Step 3: Cross multiply
    623,010.92x = 859,755.42 × 336,530.98
  4. Step 4: Simplify right side
    623,010.92x = 289,334,334,052.91
  5. Step 5: Solve for x
    x = 289,334,334,052.91/623,010.92
  6. Step 6: Final answer
    x = 464,412.94

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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.