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Finding the Fourth Proportional to 541,427.01, 812,938.87 and 302,008.67

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Solution

The fourth proportional to 541,427.01, 812,938.87 and 302,008.67 is: 453,458.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,427.01 : 812,938.87 = 302,008.67 : x
  2. Step 2: Convert to fraction form
    541,427.01/812,938.87 = 302,008.67/x
  3. Step 3: Cross multiply
    541,427.01x = 812,938.87 × 302,008.67
  4. Step 4: Simplify right side
    541,427.01x = 245,514,586,920.00
  5. Step 5: Solve for x
    x = 245,514,586,920.00/541,427.01
  6. Step 6: Final answer
    x = 453,458.33

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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.