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Finding the Fourth Proportional to 532,362,615.60, 797,200,230.60 and 349,620,394.80

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Solution

The fourth proportional to 532,362,615.60, 797,200,230.60 and 349,620,394.80 is: 523,548,144.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,362,615.60 : 797,200,230.60 = 349,620,394.80 : x
  2. Step 2: Convert to fraction form
    532,362,615.60/797,200,230.60 = 349,620,394.80/x
  3. Step 3: Cross multiply
    532,362,615.60x = 797,200,230.60 × 349,620,394.80
  4. Step 4: Simplify right side
    532,362,615.60x = 278,717,459,357,023,072
  5. Step 5: Solve for x
    x = 278,717,459,357,023,072/532,362,615.60
  6. Step 6: Final answer
    x = 523,548,144.05

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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.