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Finding the Fourth Proportional to 623,003.06, 859,744.11 and 336,523.16

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Solution

The fourth proportional to 623,003.06, 859,744.11 and 336,523.16 is: 464,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,003.06 : 859,744.11 = 336,523.16 : x
  2. Step 2: Convert to fraction form
    623,003.06/859,744.11 = 336,523.16/x
  3. Step 3: Cross multiply
    623,003.06x = 859,744.11 × 336,523.16
  4. Step 4: Simplify right side
    623,003.06x = 289,323,804,688.59
  5. Step 5: Solve for x
    x = 289,323,804,688.59/623,003.06
  6. Step 6: Final answer
    x = 464,401.90

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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.