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Finding the Fourth Proportional to 572,582,458.80, 859,125,630.60 and 265,716,615.60

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Solution

The fourth proportional to 572,582,458.80, 859,125,630.60 and 265,716,615.60 is: 398,691,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,582,458.80 : 859,125,630.60 = 265,716,615.60 : x
  2. Step 2: Convert to fraction form
    572,582,458.80/859,125,630.60 = 265,716,615.60/x
  3. Step 3: Cross multiply
    572,582,458.80x = 859,125,630.60 × 265,716,615.60
  4. Step 4: Simplify right side
    572,582,458.80x = 228,283,954,938,247,808
  5. Step 5: Solve for x
    x = 228,283,954,938,247,808/572,582,458.80
  6. Step 6: Final answer
    x = 398,691,841.55

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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.