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Finding the Fourth Proportional to 243,676.60, 365,514.90 and 234,345.40

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Solution

The fourth proportional to 243,676.60, 365,514.90 and 234,345.40 is: 351,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,676.60 : 365,514.90 = 234,345.40 : x
  2. Step 2: Convert to fraction form
    243,676.60/365,514.90 = 234,345.40/x
  3. Step 3: Cross multiply
    243,676.60x = 365,514.90 × 234,345.40
  4. Step 4: Simplify right side
    243,676.60x = 85,656,735,446.46
  5. Step 5: Solve for x
    x = 85,656,735,446.46/243,676.60
  6. Step 6: Final answer
    x = 351,518.10

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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.