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Finding the Fourth Proportional to 245,117.40, 367,676.10 and 243,367.80

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Solution

The fourth proportional to 245,117.40, 367,676.10 and 243,367.80 is: 365,051.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,117.40 : 367,676.10 = 243,367.80 : x
  2. Step 2: Convert to fraction form
    245,117.40/367,676.10 = 243,367.80/x
  3. Step 3: Cross multiply
    245,117.40x = 367,676.10 × 243,367.80
  4. Step 4: Simplify right side
    245,117.40x = 89,480,523,569.58
  5. Step 5: Solve for x
    x = 89,480,523,569.58/245,117.40
  6. Step 6: Final answer
    x = 365,051.70

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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.