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Finding the Fourth Proportional to 463,669,809.60, 695,504,714.40 and 248,678,961.60

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Solution

The fourth proportional to 463,669,809.60, 695,504,714.40 and 248,678,961.60 is: 373,018,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,669,809.60 : 695,504,714.40 = 248,678,961.60 : x
  2. Step 2: Convert to fraction form
    463,669,809.60/695,504,714.40 = 248,678,961.60/x
  3. Step 3: Cross multiply
    463,669,809.60x = 695,504,714.40 × 248,678,961.60
  4. Step 4: Simplify right side
    463,669,809.60x = 172,957,390,164,896,544
  5. Step 5: Solve for x
    x = 172,957,390,164,896,544/463,669,809.60
  6. Step 6: Final answer
    x = 373,018,442.40

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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.