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Finding the Fourth Proportional to 358,710.92, 495,043.54 and 197,565.94

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Solution

The fourth proportional to 358,710.92, 495,043.54 and 197,565.94 is: 272,653.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,710.92 : 495,043.54 = 197,565.94 : x
  2. Step 2: Convert to fraction form
    358,710.92/495,043.54 = 197,565.94/x
  3. Step 3: Cross multiply
    358,710.92x = 495,043.54 × 197,565.94
  4. Step 4: Simplify right side
    358,710.92x = 97,803,742,321.03
  5. Step 5: Solve for x
    x = 97,803,742,321.03/358,710.92
  6. Step 6: Final answer
    x = 272,653.37

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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.