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Finding the Fourth Proportional to 226,754,828.60, 318,061,421.80 and 226,754,828.60

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Solution

The fourth proportional to 226,754,828.60, 318,061,421.80 and 226,754,828.60 is: 318,061,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,754,828.60 : 318,061,421.80 = 226,754,828.60 : x
  2. Step 2: Convert to fraction form
    226,754,828.60/318,061,421.80 = 226,754,828.60/x
  3. Step 3: Cross multiply
    226,754,828.60x = 318,061,421.80 × 226,754,828.60
  4. Step 4: Simplify right side
    226,754,828.60x = 72,121,963,184,531,312
  5. Step 5: Solve for x
    x = 72,121,963,184,531,312/226,754,828.60
  6. Step 6: Final answer
    x = 318,061,421.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.