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Finding the Fourth Proportional to 253,572,701.60, 380,359,052.40 and 236,440,618.40

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Solution

The fourth proportional to 253,572,701.60, 380,359,052.40 and 236,440,618.40 is: 354,660,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,572,701.60 : 380,359,052.40 = 236,440,618.40 : x
  2. Step 2: Convert to fraction form
    253,572,701.60/380,359,052.40 = 236,440,618.40/x
  3. Step 3: Cross multiply
    253,572,701.60x = 380,359,052.40 × 236,440,618.40
  4. Step 4: Simplify right side
    253,572,701.60x = 89,932,329,563,494,000
  5. Step 5: Solve for x
    x = 89,932,329,563,494,000/253,572,701.60
  6. Step 6: Final answer
    x = 354,660,927.60

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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.