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Finding the Fourth Proportional to 459,895,967.52, 689,843,981.28 and 367,346,389.44

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Solution

The fourth proportional to 459,895,967.52, 689,843,981.28 and 367,346,389.44 is: 551,019,608.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,895,967.52 : 689,843,981.28 = 367,346,389.44 : x
  2. Step 2: Convert to fraction form
    459,895,967.52/689,843,981.28 = 367,346,389.44/x
  3. Step 3: Cross multiply
    459,895,967.52x = 689,843,981.28 × 367,346,389.44
  4. Step 4: Simplify right side
    459,895,967.52x = 253,411,695,800,122,944
  5. Step 5: Solve for x
    x = 253,411,695,800,122,944/459,895,967.52
  6. Step 6: Final answer
    x = 551,019,608.12

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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.