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Finding the Fourth Proportional to 316,797,759.56, 437,181,879.72 and 175,678,916.48

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Solution

The fourth proportional to 316,797,759.56, 437,181,879.72 and 175,678,916.48 is: 242,437,443.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,797,759.56 : 437,181,879.72 = 175,678,916.48 : x
  2. Step 2: Convert to fraction form
    316,797,759.56/437,181,879.72 = 175,678,916.48/x
  3. Step 3: Cross multiply
    316,797,759.56x = 437,181,879.72 × 175,678,916.48
  4. Step 4: Simplify right side
    316,797,759.56x = 76,803,638,933,899,280
  5. Step 5: Solve for x
    x = 76,803,638,933,899,280/316,797,759.56
  6. Step 6: Final answer
    x = 242,437,443.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.