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Finding the Fourth Proportional to 582,673,352.23, 804,079,842.19 and 318,349,674.55

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Solution

The fourth proportional to 582,673,352.23, 804,079,842.19 and 318,349,674.55 is: 439,317,423.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,673,352.23 : 804,079,842.19 = 318,349,674.55 : x
  2. Step 2: Convert to fraction form
    582,673,352.23/804,079,842.19 = 318,349,674.55/x
  3. Step 3: Cross multiply
    582,673,352.23x = 804,079,842.19 × 318,349,674.55
  4. Step 4: Simplify right side
    582,673,352.23x = 255,978,556,073,401,888
  5. Step 5: Solve for x
    x = 255,978,556,073,401,888/582,673,352.23
  6. Step 6: Final answer
    x = 439,317,423.89

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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.