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Finding the Fourth Proportional to 458,592.01, 688,804.81 and 276,586.67

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Solution

The fourth proportional to 458,592.01, 688,804.81 and 276,586.67 is: 415,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,592.01 : 688,804.81 = 276,586.67 : x
  2. Step 2: Convert to fraction form
    458,592.01/688,804.81 = 276,586.67/x
  3. Step 3: Cross multiply
    458,592.01x = 688,804.81 × 276,586.67
  4. Step 4: Simplify right side
    458,592.01x = 190,514,229,708.43
  5. Step 5: Solve for x
    x = 190,514,229,708.43/458,592.01
  6. Step 6: Final answer
    x = 415,432.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.