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Finding the Fourth Proportional to 585,090.74, 876,137.72 and 404,926.70

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Solution

The fourth proportional to 585,090.74, 876,137.72 and 404,926.70 is: 606,353.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,090.74 : 876,137.72 = 404,926.70 : x
  2. Step 2: Convert to fraction form
    585,090.74/876,137.72 = 404,926.70/x
  3. Step 3: Cross multiply
    585,090.74x = 876,137.72 × 404,926.70
  4. Step 4: Simplify right side
    585,090.74x = 354,771,549,299.80
  5. Step 5: Solve for x
    x = 354,771,549,299.80/585,090.74
  6. Step 6: Final answer
    x = 606,353.04

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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.