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Finding the Fourth Proportional to 358,730.78, 495,051.82 and 197,586.41

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Solution

The fourth proportional to 358,730.78, 495,051.82 and 197,586.41 is: 272,671.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,730.78 : 495,051.82 = 197,586.41 : x
  2. Step 2: Convert to fraction form
    358,730.78/495,051.82 = 197,586.41/x
  3. Step 3: Cross multiply
    358,730.78x = 495,051.82 × 197,586.41
  4. Step 4: Simplify right side
    358,730.78x = 97,815,509,402.51
  5. Step 5: Solve for x
    x = 97,815,509,402.51/358,730.78
  6. Step 6: Final answer
    x = 272,671.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.