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Finding the Fourth Proportional to 336,806,475.60, 505,209,713.40 and 191,183,768.40

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Solution

The fourth proportional to 336,806,475.60, 505,209,713.40 and 191,183,768.40 is: 286,775,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,806,475.60 : 505,209,713.40 = 191,183,768.40 : x
  2. Step 2: Convert to fraction form
    336,806,475.60/505,209,713.40 = 191,183,768.40/x
  3. Step 3: Cross multiply
    336,806,475.60x = 505,209,713.40 × 191,183,768.40
  4. Step 4: Simplify right side
    336,806,475.60x = 96,587,896,840,095,968
  5. Step 5: Solve for x
    x = 96,587,896,840,095,968/336,806,475.60
  6. Step 6: Final answer
    x = 286,775,652.60

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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.