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Finding the Fourth Proportional to 495,765.40, 743,665.71 and 158,762.26

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Solution

The fourth proportional to 495,765.40, 743,665.71 and 158,762.26 is: 238,149.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,765.40 : 743,665.71 = 158,762.26 : x
  2. Step 2: Convert to fraction form
    495,765.40/743,665.71 = 158,762.26/x
  3. Step 3: Cross multiply
    495,765.40x = 743,665.71 × 158,762.26
  4. Step 4: Simplify right side
    495,765.40x = 118,066,048,804.11
  5. Step 5: Solve for x
    x = 118,066,048,804.11/495,765.40
  6. Step 6: Final answer
    x = 238,149.03

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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.