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Finding the Fourth Proportional to 543,026.30, 749,364.84 and 301,303.67

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Solution

The fourth proportional to 543,026.30, 749,364.84 and 301,303.67 is: 415,792.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,026.30 : 749,364.84 = 301,303.67 : x
  2. Step 2: Convert to fraction form
    543,026.30/749,364.84 = 301,303.67/x
  3. Step 3: Cross multiply
    543,026.30x = 749,364.84 × 301,303.67
  4. Step 4: Simplify right side
    543,026.30x = 225,786,372,714.14
  5. Step 5: Solve for x
    x = 225,786,372,714.14/543,026.30
  6. Step 6: Final answer
    x = 415,792.71

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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.