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Finding the Fourth Proportional to 368,071,569.60, 551,638,461.60 and 195,630,993.60

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Solution

The fourth proportional to 368,071,569.60, 551,638,461.60 and 195,630,993.60 is: 293,197,272.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,071,569.60 : 551,638,461.60 = 195,630,993.60 : x
  2. Step 2: Convert to fraction form
    368,071,569.60/551,638,461.60 = 195,630,993.60/x
  3. Step 3: Cross multiply
    368,071,569.60x = 551,638,461.60 × 195,630,993.60
  4. Step 4: Simplify right side
    368,071,569.60x = 107,917,580,350,783,440
  5. Step 5: Solve for x
    x = 107,917,580,350,783,440/368,071,569.60
  6. Step 6: Final answer
    x = 293,197,272.66

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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.