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Finding the Fourth Proportional to 199,286,927.40, 298,930,391.10 and 199,286,927.40

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Solution

The fourth proportional to 199,286,927.40, 298,930,391.10 and 199,286,927.40 is: 298,930,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,286,927.40 : 298,930,391.10 = 199,286,927.40 : x
  2. Step 2: Convert to fraction form
    199,286,927.40/298,930,391.10 = 199,286,927.40/x
  3. Step 3: Cross multiply
    199,286,927.40x = 298,930,391.10 × 199,286,927.40
  4. Step 4: Simplify right side
    199,286,927.40x = 59,572,919,148,799,312
  5. Step 5: Solve for x
    x = 59,572,919,148,799,312/199,286,927.40
  6. Step 6: Final answer
    x = 298,930,391.10

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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.