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Finding the Fourth Proportional to 358,226.80, 494,333.34 and 197,055.64

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Solution

The fourth proportional to 358,226.80, 494,333.34 and 197,055.64 is: 271,925.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,226.80 : 494,333.34 = 197,055.64 : x
  2. Step 2: Convert to fraction form
    358,226.80/494,333.34 = 197,055.64/x
  3. Step 3: Cross multiply
    358,226.80x = 494,333.34 × 197,055.64
  4. Step 4: Simplify right side
    358,226.80x = 97,411,172,687.04
  5. Step 5: Solve for x
    x = 97,411,172,687.04/358,226.80
  6. Step 6: Final answer
    x = 271,925.98

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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.