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Finding the Fourth Proportional to 350,678.43, 483,926.54 and 197,715.30

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Solution

The fourth proportional to 350,678.43, 483,926.54 and 197,715.30 is: 272,841.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,678.43 : 483,926.54 = 197,715.30 : x
  2. Step 2: Convert to fraction form
    350,678.43/483,926.54 = 197,715.30/x
  3. Step 3: Cross multiply
    350,678.43x = 483,926.54 × 197,715.30
  4. Step 4: Simplify right side
    350,678.43x = 95,679,678,230.76
  5. Step 5: Solve for x
    x = 95,679,678,230.76/350,678.43
  6. Step 6: Final answer
    x = 272,841.64

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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.