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Finding the Fourth Proportional to 524,440,673.80, 786,661,010.70 and 252,342,881.80

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Solution

The fourth proportional to 524,440,673.80, 786,661,010.70 and 252,342,881.80 is: 378,514,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,440,673.80 : 786,661,010.70 = 252,342,881.80 : x
  2. Step 2: Convert to fraction form
    524,440,673.80/786,661,010.70 = 252,342,881.80/x
  3. Step 3: Cross multiply
    524,440,673.80x = 786,661,010.70 × 252,342,881.80
  4. Step 4: Simplify right side
    524,440,673.80x = 198,508,306,439,738,656
  5. Step 5: Solve for x
    x = 198,508,306,439,738,656/524,440,673.80
  6. Step 6: Final answer
    x = 378,514,322.70

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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.