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Finding the Fourth Proportional to 495,361.23, 742,807.63 and 191,897.52

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Solution

The fourth proportional to 495,361.23, 742,807.63 and 191,897.52 is: 287,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,361.23 : 742,807.63 = 191,897.52 : x
  2. Step 2: Convert to fraction form
    495,361.23/742,807.63 = 191,897.52/x
  3. Step 3: Cross multiply
    495,361.23x = 742,807.63 × 191,897.52
  4. Step 4: Simplify right side
    495,361.23x = 142,542,937,360.55
  5. Step 5: Solve for x
    x = 142,542,937,360.55/495,361.23
  6. Step 6: Final answer
    x = 287,755.54

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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.