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Finding the Fourth Proportional to 295,670.70, 443,506.05 and 216,938.70

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Solution

The fourth proportional to 295,670.70, 443,506.05 and 216,938.70 is: 325,408.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,670.70 : 443,506.05 = 216,938.70 : x
  2. Step 2: Convert to fraction form
    295,670.70/443,506.05 = 216,938.70/x
  3. Step 3: Cross multiply
    295,670.70x = 443,506.05 × 216,938.70
  4. Step 4: Simplify right side
    295,670.70x = 96,213,625,929.14
  5. Step 5: Solve for x
    x = 96,213,625,929.14/295,670.70
  6. Step 6: Final answer
    x = 325,408.05

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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.