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Finding the Fourth Proportional to 495,448.04, 743,368.98 and 158,540.60

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Solution

The fourth proportional to 495,448.04, 743,368.98 and 158,540.60 is: 237,873.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,448.04 : 743,368.98 = 158,540.60 : x
  2. Step 2: Convert to fraction form
    495,448.04/743,368.98 = 158,540.60/x
  3. Step 3: Cross multiply
    495,448.04x = 743,368.98 × 158,540.60
  4. Step 4: Simplify right side
    495,448.04x = 117,854,164,110.59
  5. Step 5: Solve for x
    x = 117,854,164,110.59/495,448.04
  6. Step 6: Final answer
    x = 237,873.91

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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.