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Finding the Fourth Proportional to 594,018.72, 890,820.72 and 238,940.64

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Solution

The fourth proportional to 594,018.72, 890,820.72 and 238,940.64 is: 358,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,018.72 : 890,820.72 = 238,940.64 : x
  2. Step 2: Convert to fraction form
    594,018.72/890,820.72 = 238,940.64/x
  3. Step 3: Cross multiply
    594,018.72x = 890,820.72 × 238,940.64
  4. Step 4: Simplify right side
    594,018.72x = 212,853,272,962.06
  5. Step 5: Solve for x
    x = 212,853,272,962.06/594,018.72
  6. Step 6: Final answer
    x = 358,327.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.