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Finding the Fourth Proportional to 358,045.83, 494,115.93 and 196,913.34

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Solution

The fourth proportional to 358,045.83, 494,115.93 and 196,913.34 is: 271,747.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,045.83 : 494,115.93 = 196,913.34 : x
  2. Step 2: Convert to fraction form
    358,045.83/494,115.93 = 196,913.34/x
  3. Step 3: Cross multiply
    358,045.83x = 494,115.93 × 196,913.34
  4. Step 4: Simplify right side
    358,045.83x = 97,298,018,123.51
  5. Step 5: Solve for x
    x = 97,298,018,123.51/358,045.83
  6. Step 6: Final answer
    x = 271,747.39

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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.