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Finding the Fourth Proportional to 468,865,209.60, 701,954,121.60 and 455,428,281.60

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Solution

The fourth proportional to 468,865,209.60, 701,954,121.60 and 455,428,281.60 is: 681,837,237.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,865,209.60 : 701,954,121.60 = 455,428,281.60 : x
  2. Step 2: Convert to fraction form
    468,865,209.60/701,954,121.60 = 455,428,281.60/x
  3. Step 3: Cross multiply
    468,865,209.60x = 701,954,121.60 × 455,428,281.60
  4. Step 4: Simplify right side
    468,865,209.60x = 319,689,759,362,325,440
  5. Step 5: Solve for x
    x = 319,689,759,362,325,440/468,865,209.60
  6. Step 6: Final answer
    x = 681,837,237.69

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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.