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Finding the Fourth Proportional to 608,173,411.17, 839,311,894.74 and 340,233,259.86

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Solution

The fourth proportional to 608,173,411.17, 839,311,894.74 and 340,233,259.86 is: 469,540,129.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,173,411.17 : 839,311,894.74 = 340,233,259.86 : x
  2. Step 2: Convert to fraction form
    608,173,411.17/839,311,894.74 = 340,233,259.86/x
  3. Step 3: Cross multiply
    608,173,411.17x = 839,311,894.74 × 340,233,259.86
  4. Step 4: Simplify right side
    608,173,411.17x = 285,561,821,986,663,392
  5. Step 5: Solve for x
    x = 285,561,821,986,663,392/608,173,411.17
  6. Step 6: Final answer
    x = 469,540,129.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.