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Finding the Fourth Proportional to 298,401.84, 447,277.68 and 148,752.72

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Solution

The fourth proportional to 298,401.84, 447,277.68 and 148,752.72 is: 222,967.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,401.84 : 447,277.68 = 148,752.72 : x
  2. Step 2: Convert to fraction form
    298,401.84/447,277.68 = 148,752.72/x
  3. Step 3: Cross multiply
    298,401.84x = 447,277.68 × 148,752.72
  4. Step 4: Simplify right side
    298,401.84x = 66,533,771,495.29
  5. Step 5: Solve for x
    x = 66,533,771,495.29/298,401.84
  6. Step 6: Final answer
    x = 222,967.03

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1.5x scale

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.