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Finding the Fourth Proportional to 603,145,624.35, 903,881,416.80 and 274,818,750.15

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Solution

The fourth proportional to 603,145,624.35, 903,881,416.80 and 274,818,750.15 is: 411,846,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,145,624.35 : 903,881,416.80 = 274,818,750.15 : x
  2. Step 2: Convert to fraction form
    603,145,624.35/903,881,416.80 = 274,818,750.15/x
  3. Step 3: Cross multiply
    603,145,624.35x = 903,881,416.80 × 274,818,750.15
  4. Step 4: Simplify right side
    603,145,624.35x = 248,403,561,248,787,168
  5. Step 5: Solve for x
    x = 248,403,561,248,787,168/603,145,624.35
  6. Step 6: Final answer
    x = 411,846,743.51

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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.