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Finding the Fourth Proportional to 623,858.16, 935,913.60 and 203,021.04

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Solution

The fourth proportional to 623,858.16, 935,913.60 and 203,021.04 is: 304,572.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,858.16 : 935,913.60 = 203,021.04 : x
  2. Step 2: Convert to fraction form
    623,858.16/935,913.60 = 203,021.04/x
  3. Step 3: Cross multiply
    623,858.16x = 935,913.60 × 203,021.04
  4. Step 4: Simplify right side
    623,858.16x = 190,010,152,422.14
  5. Step 5: Solve for x
    x = 190,010,152,422.14/623,858.16
  6. Step 6: Final answer
    x = 304,572.68

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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.