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Finding the Fourth Proportional to 495,266.51, 742,863.42 and 158,216.64

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Solution

The fourth proportional to 495,266.51, 742,863.42 and 158,216.64 is: 237,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,266.51 : 742,863.42 = 158,216.64 : x
  2. Step 2: Convert to fraction form
    495,266.51/742,863.42 = 158,216.64/x
  3. Step 3: Cross multiply
    495,266.51x = 742,863.42 × 158,216.64
  4. Step 4: Simplify right side
    495,266.51x = 117,533,354,291.31
  5. Step 5: Solve for x
    x = 117,533,354,291.31/495,266.51
  6. Step 6: Final answer
    x = 237,313.35

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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.