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Finding the Fourth Proportional to 297,900.90, 446,851.35 and 268,376.40

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Solution

The fourth proportional to 297,900.90, 446,851.35 and 268,376.40 is: 402,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,900.90 : 446,851.35 = 268,376.40 : x
  2. Step 2: Convert to fraction form
    297,900.90/446,851.35 = 268,376.40/x
  3. Step 3: Cross multiply
    297,900.90x = 446,851.35 × 268,376.40
  4. Step 4: Simplify right side
    297,900.90x = 119,924,356,648.14
  5. Step 5: Solve for x
    x = 119,924,356,648.14/297,900.90
  6. Step 6: Final answer
    x = 402,564.60

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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.