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Finding the Fourth Proportional to 235,032,255.90, 329,385,280.50 and 235,032,255.90

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Solution

The fourth proportional to 235,032,255.90, 329,385,280.50 and 235,032,255.90 is: 329,385,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,032,255.90 : 329,385,280.50 = 235,032,255.90 : x
  2. Step 2: Convert to fraction form
    235,032,255.90/329,385,280.50 = 235,032,255.90/x
  3. Step 3: Cross multiply
    235,032,255.90x = 329,385,280.50 × 235,032,255.90
  4. Step 4: Simplify right side
    235,032,255.90x = 77,416,165,536,169,280
  5. Step 5: Solve for x
    x = 77,416,165,536,169,280/235,032,255.90
  6. Step 6: Final answer
    x = 329,385,280.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.