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Finding the Fourth Proportional to 585,266.72, 877,930.68 and 185,938.88

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Solution

The fourth proportional to 585,266.72, 877,930.68 and 185,938.88 is: 278,918.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,266.72 : 877,930.68 = 185,938.88 : x
  2. Step 2: Convert to fraction form
    585,266.72/877,930.68 = 185,938.88/x
  3. Step 3: Cross multiply
    585,266.72x = 877,930.68 × 185,938.88
  4. Step 4: Simplify right side
    585,266.72x = 163,241,447,356.84
  5. Step 5: Solve for x
    x = 163,241,447,356.84/585,266.72
  6. Step 6: Final answer
    x = 278,918.04

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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.