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Finding the Fourth Proportional to 495,197.03, 742,510.64 and 264,100.92

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Solution

The fourth proportional to 495,197.03, 742,510.64 and 264,100.92 is: 395,999.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,197.03 : 742,510.64 = 264,100.92 : x
  2. Step 2: Convert to fraction form
    495,197.03/742,510.64 = 264,100.92/x
  3. Step 3: Cross multiply
    495,197.03x = 742,510.64 × 264,100.92
  4. Step 4: Simplify right side
    495,197.03x = 196,097,741,813.28
  5. Step 5: Solve for x
    x = 196,097,741,813.28/495,197.03
  6. Step 6: Final answer
    x = 395,999.43

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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.