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Finding the Fourth Proportional to 265,781,569.20, 398,672,353.80 and 236,556,250.80

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Solution

The fourth proportional to 265,781,569.20, 398,672,353.80 and 236,556,250.80 is: 354,834,376.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,781,569.20 : 398,672,353.80 = 236,556,250.80 : x
  2. Step 2: Convert to fraction form
    265,781,569.20/398,672,353.80 = 236,556,250.80/x
  3. Step 3: Cross multiply
    265,781,569.20x = 398,672,353.80 × 236,556,250.80
  4. Step 4: Simplify right side
    265,781,569.20x = 94,308,437,312,539,136
  5. Step 5: Solve for x
    x = 94,308,437,312,539,136/265,781,569.20
  6. Step 6: Final answer
    x = 354,834,376.20

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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.