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Finding the Fourth Proportional to 434,872.60, 600,128.54 and 243,881.89

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Solution

The fourth proportional to 434,872.60, 600,128.54 and 243,881.89 is: 336,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,872.60 : 600,128.54 = 243,881.89 : x
  2. Step 2: Convert to fraction form
    434,872.60/600,128.54 = 243,881.89/x
  3. Step 3: Cross multiply
    434,872.60x = 600,128.54 × 243,881.89
  4. Step 4: Simplify right side
    434,872.60x = 146,360,481,358.73
  5. Step 5: Solve for x
    x = 146,360,481,358.73/434,872.60
  6. Step 6: Final answer
    x = 336,559.45

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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.