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Finding the Fourth Proportional to 299,128,245.60, 448,692,368.40 and 299,128,245.60

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Solution

The fourth proportional to 299,128,245.60, 448,692,368.40 and 299,128,245.60 is: 448,692,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,128,245.60 : 448,692,368.40 = 299,128,245.60 : x
  2. Step 2: Convert to fraction form
    299,128,245.60/448,692,368.40 = 299,128,245.60/x
  3. Step 3: Cross multiply
    299,128,245.60x = 448,692,368.40 × 299,128,245.60
  4. Step 4: Simplify right side
    299,128,245.60x = 134,216,560,973,600,880
  5. Step 5: Solve for x
    x = 134,216,560,973,600,880/299,128,245.60
  6. Step 6: Final answer
    x = 448,692,368.40

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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.