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Finding the Fourth Proportional to 336,343,381.30, 503,558,478.15 and 336,343,381.30

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Solution

The fourth proportional to 336,343,381.30, 503,558,478.15 and 336,343,381.30 is: 503,558,478.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,343,381.30 : 503,558,478.15 = 336,343,381.30 : x
  2. Step 2: Convert to fraction form
    336,343,381.30/503,558,478.15 = 336,343,381.30/x
  3. Step 3: Cross multiply
    336,343,381.30x = 503,558,478.15 × 336,343,381.30
  4. Step 4: Simplify right side
    336,343,381.30x = 169,368,561,223,253,152
  5. Step 5: Solve for x
    x = 169,368,561,223,253,152/336,343,381.30
  6. Step 6: Final answer
    x = 503,558,478.15

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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.