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Finding the Fourth Proportional to 357,498.98, 493,354.52 and 196,368.92

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Solution

The fourth proportional to 357,498.98, 493,354.52 and 196,368.92 is: 270,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,498.98 : 493,354.52 = 196,368.92 : x
  2. Step 2: Convert to fraction form
    357,498.98/493,354.52 = 196,368.92/x
  3. Step 3: Cross multiply
    357,498.98x = 493,354.52 × 196,368.92
  4. Step 4: Simplify right side
    357,498.98x = 96,879,494,269.52
  5. Step 5: Solve for x
    x = 96,879,494,269.52/357,498.98
  6. Step 6: Final answer
    x = 270,992.37

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1.5x scale

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.