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Finding the Fourth Proportional to 338,889,045.20, 508,333,567.80 and 235,576,914.80

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Solution

The fourth proportional to 338,889,045.20, 508,333,567.80 and 235,576,914.80 is: 353,365,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,889,045.20 : 508,333,567.80 = 235,576,914.80 : x
  2. Step 2: Convert to fraction form
    338,889,045.20/508,333,567.80 = 235,576,914.80/x
  3. Step 3: Cross multiply
    338,889,045.20x = 508,333,567.80 × 235,576,914.80
  4. Step 4: Simplify right side
    338,889,045.20x = 119,751,653,591,600,640
  5. Step 5: Solve for x
    x = 119,751,653,591,600,640/338,889,045.20
  6. Step 6: Final answer
    x = 353,365,372.20

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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.