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Finding the Fourth Proportional to 245,624.60, 368,436.90 and 242,514.20

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Solution

The fourth proportional to 245,624.60, 368,436.90 and 242,514.20 is: 363,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,624.60 : 368,436.90 = 242,514.20 : x
  2. Step 2: Convert to fraction form
    245,624.60/368,436.90 = 242,514.20/x
  3. Step 3: Cross multiply
    245,624.60x = 368,436.90 × 242,514.20
  4. Step 4: Simplify right side
    245,624.60x = 89,351,180,053.98
  5. Step 5: Solve for x
    x = 89,351,180,053.98/245,624.60
  6. Step 6: Final answer
    x = 363,771.30

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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.