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Finding the Fourth Proportional to 495,193.80, 742,790.70 and 492,241.35

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Solution

The fourth proportional to 495,193.80, 742,790.70 and 492,241.35 is: 738,362.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,193.80 : 742,790.70 = 492,241.35 : x
  2. Step 2: Convert to fraction form
    495,193.80/742,790.70 = 492,241.35/x
  3. Step 3: Cross multiply
    495,193.80x = 742,790.70 × 492,241.35
  4. Step 4: Simplify right side
    495,193.80x = 365,632,296,935.45
  5. Step 5: Solve for x
    x = 365,632,296,935.45/495,193.80
  6. Step 6: Final answer
    x = 738,362.03

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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.