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Finding the Fourth Proportional to 358,186.76, 494,282.14 and 197,031.59

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Solution

The fourth proportional to 358,186.76, 494,282.14 and 197,031.59 is: 271,895.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,186.76 : 494,282.14 = 197,031.59 : x
  2. Step 2: Convert to fraction form
    358,186.76/494,282.14 = 197,031.59/x
  3. Step 3: Cross multiply
    358,186.76x = 494,282.14 × 197,031.59
  4. Step 4: Simplify right side
    358,186.76x = 97,389,192,988.81
  5. Step 5: Solve for x
    x = 97,389,192,988.81/358,186.76
  6. Step 6: Final answer
    x = 271,895.01

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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.