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Finding the Fourth Proportional to 434,956.19, 598,875.51 and 395,098.12

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Solution

The fourth proportional to 434,956.19, 598,875.51 and 395,098.12 is: 543,996.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,956.19 : 598,875.51 = 395,098.12 : x
  2. Step 2: Convert to fraction form
    434,956.19/598,875.51 = 395,098.12/x
  3. Step 3: Cross multiply
    434,956.19x = 598,875.51 × 395,098.12
  4. Step 4: Simplify right side
    434,956.19x = 236,614,588,115.04
  5. Step 5: Solve for x
    x = 236,614,588,115.04/434,956.19
  6. Step 6: Final answer
    x = 543,996.37

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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.