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Finding the Fourth Proportional to 298,935,599.60, 448,403,399.40 and 161,186,092.40

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Solution

The fourth proportional to 298,935,599.60, 448,403,399.40 and 161,186,092.40 is: 241,779,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,935,599.60 : 448,403,399.40 = 161,186,092.40 : x
  2. Step 2: Convert to fraction form
    298,935,599.60/448,403,399.40 = 161,186,092.40/x
  3. Step 3: Cross multiply
    298,935,599.60x = 448,403,399.40 × 161,186,092.40
  4. Step 4: Simplify right side
    298,935,599.60x = 72,276,391,768,162,496
  5. Step 5: Solve for x
    x = 72,276,391,768,162,496/298,935,599.60
  6. Step 6: Final answer
    x = 241,779,138.60

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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.