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Finding the Fourth Proportional to 324,088.90, 486,133.35 and 294,540.10

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Solution

The fourth proportional to 324,088.90, 486,133.35 and 294,540.10 is: 441,810.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,088.90 : 486,133.35 = 294,540.10 : x
  2. Step 2: Convert to fraction form
    324,088.90/486,133.35 = 294,540.10/x
  3. Step 3: Cross multiply
    324,088.90x = 486,133.35 × 294,540.10
  4. Step 4: Simplify right side
    324,088.90x = 143,185,765,522.34
  5. Step 5: Solve for x
    x = 143,185,765,522.34/324,088.90
  6. Step 6: Final answer
    x = 441,810.15

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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.