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Finding the Fourth Proportional to 495,027.19, 742,534.50 and 158,063.56

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Solution

The fourth proportional to 495,027.19, 742,534.50 and 158,063.56 is: 237,093.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,027.19 : 742,534.50 = 158,063.56 : x
  2. Step 2: Convert to fraction form
    495,027.19/742,534.50 = 158,063.56/x
  3. Step 3: Cross multiply
    495,027.19x = 742,534.50 × 158,063.56
  4. Step 4: Simplify right side
    495,027.19x = 117,367,646,492.82
  5. Step 5: Solve for x
    x = 117,367,646,492.82/495,027.19
  6. Step 6: Final answer
    x = 237,093.33

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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.