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Finding the Fourth Proportional to 298,994,715.60, 448,492,073.40 and 195,682,585.20

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Solution

The fourth proportional to 298,994,715.60, 448,492,073.40 and 195,682,585.20 is: 293,523,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,994,715.60 : 448,492,073.40 = 195,682,585.20 : x
  2. Step 2: Convert to fraction form
    298,994,715.60/448,492,073.40 = 195,682,585.20/x
  3. Step 3: Cross multiply
    298,994,715.60x = 448,492,073.40 × 195,682,585.20
  4. Step 4: Simplify right side
    298,994,715.60x = 87,762,088,364,620,144
  5. Step 5: Solve for x
    x = 87,762,088,364,620,144/298,994,715.60
  6. Step 6: Final answer
    x = 293,523,877.80

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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.