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Finding the Fourth Proportional to 593,370, 890,166.60 and 238,412.40

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Solution

The fourth proportional to 593,370, 890,166.60 and 238,412.40 is: 357,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,370 : 890,166.60 = 238,412.40 : x
  2. Step 2: Convert to fraction form
    593,370/890,166.60 = 238,412.40/x
  3. Step 3: Cross multiply
    593,370x = 890,166.60 × 238,412.40
  4. Step 4: Simplify right side
    593,370x = 212,226,755,505.84
  5. Step 5: Solve for x
    x = 212,226,755,505.84/593,370
  6. Step 6: Final answer
    x = 357,663.44

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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.