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Finding the Fourth Proportional to 582,229.14, 874,008 and 390,246.10

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Solution

The fourth proportional to 582,229.14, 874,008 and 390,246.10 is: 585,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,229.14 : 874,008 = 390,246.10 : x
  2. Step 2: Convert to fraction form
    582,229.14/874,008 = 390,246.10/x
  3. Step 3: Cross multiply
    582,229.14x = 874,008 × 390,246.10
  4. Step 4: Simplify right side
    582,229.14x = 341,078,213,368.80
  5. Step 5: Solve for x
    x = 341,078,213,368.80/582,229.14
  6. Step 6: Final answer
    x = 585,814.40

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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.