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Finding the Fourth Proportional to 456,802.89, 630,373.72 and 263,211

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Solution

The fourth proportional to 456,802.89, 630,373.72 and 263,211 is: 363,222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,802.89 : 630,373.72 = 263,211 : x
  2. Step 2: Convert to fraction form
    456,802.89/630,373.72 = 263,211/x
  3. Step 3: Cross multiply
    456,802.89x = 630,373.72 × 263,211
  4. Step 4: Simplify right side
    456,802.89x = 165,921,297,214.92
  5. Step 5: Solve for x
    x = 165,921,297,214.92/456,802.89
  6. Step 6: Final answer
    x = 363,222.96

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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.