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Finding the Fourth Proportional to 456,750.29, 630,262.81 and 263,186.21

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Solution

The fourth proportional to 456,750.29, 630,262.81 and 263,186.21 is: 363,166.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,750.29 : 630,262.81 = 263,186.21 : x
  2. Step 2: Convert to fraction form
    456,750.29/630,262.81 = 263,186.21/x
  3. Step 3: Cross multiply
    456,750.29x = 630,262.81 × 263,186.21
  4. Step 4: Simplify right side
    456,750.29x = 165,876,480,267.85
  5. Step 5: Solve for x
    x = 165,876,480,267.85/456,750.29
  6. Step 6: Final answer
    x = 363,166.67

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1.5x scale

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.