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Finding the Fourth Proportional to 577,668.51, 866,522.54 and 198,586.01

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Solution

The fourth proportional to 577,668.51, 866,522.54 and 198,586.01 is: 297,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,668.51 : 866,522.54 = 198,586.01 : x
  2. Step 2: Convert to fraction form
    577,668.51/866,522.54 = 198,586.01/x
  3. Step 3: Cross multiply
    577,668.51x = 866,522.54 × 198,586.01
  4. Step 4: Simplify right side
    577,668.51x = 172,079,248,468.12
  5. Step 5: Solve for x
    x = 172,079,248,468.12/577,668.51
  6. Step 6: Final answer
    x = 297,885.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.