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Finding the Fourth Proportional to 580,403.16, 800,727.48 and 335,225.88

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Solution

The fourth proportional to 580,403.16, 800,727.48 and 335,225.88 is: 462,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,403.16 : 800,727.48 = 335,225.88 : x
  2. Step 2: Convert to fraction form
    580,403.16/800,727.48 = 335,225.88/x
  3. Step 3: Cross multiply
    580,403.16x = 800,727.48 × 335,225.88
  4. Step 4: Simplify right side
    580,403.16x = 268,424,574,123.18
  5. Step 5: Solve for x
    x = 268,424,574,123.18/580,403.16
  6. Step 6: Final answer
    x = 462,479.52

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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.