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Finding the Fourth Proportional to 358,730.40, 495,051.30 and 197,586.04

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Solution

The fourth proportional to 358,730.40, 495,051.30 and 197,586.04 is: 272,670.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,730.40 : 495,051.30 = 197,586.04 : x
  2. Step 2: Convert to fraction form
    358,730.40/495,051.30 = 197,586.04/x
  3. Step 3: Cross multiply
    358,730.40x = 495,051.30 × 197,586.04
  4. Step 4: Simplify right side
    358,730.40x = 97,815,225,963.85
  5. Step 5: Solve for x
    x = 97,815,225,963.85/358,730.40
  6. Step 6: Final answer
    x = 272,670.58

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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.