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Finding the Fourth Proportional to 434,650.66, 599,817.56 and 243,664.05

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Solution

The fourth proportional to 434,650.66, 599,817.56 and 243,664.05 is: 336,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,650.66 : 599,817.56 = 243,664.05 : x
  2. Step 2: Convert to fraction form
    434,650.66/599,817.56 = 243,664.05/x
  3. Step 3: Cross multiply
    434,650.66x = 599,817.56 × 243,664.05
  4. Step 4: Simplify right side
    434,650.66x = 146,153,973,587.74
  5. Step 5: Solve for x
    x = 146,153,973,587.74/434,650.66
  6. Step 6: Final answer
    x = 336,256.19

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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.