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Finding the Fourth Proportional to 462,246.40, 637,892.08 and 258,300.64

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Solution

The fourth proportional to 462,246.40, 637,892.08 and 258,300.64 is: 356,450.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,246.40 : 637,892.08 = 258,300.64 : x
  2. Step 2: Convert to fraction form
    462,246.40/637,892.08 = 258,300.64/x
  3. Step 3: Cross multiply
    462,246.40x = 637,892.08 × 258,300.64
  4. Step 4: Simplify right side
    462,246.40x = 164,767,932,514.93
  5. Step 5: Solve for x
    x = 164,767,932,514.93/462,246.40
  6. Step 6: Final answer
    x = 356,450.44

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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.