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Finding the Fourth Proportional to 374,554,397.85, 561,831,596.78 and 374,554,397.85

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Solution

The fourth proportional to 374,554,397.85, 561,831,596.78 and 374,554,397.85 is: 561,831,596.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,554,397.85 : 561,831,596.78 = 374,554,397.85 : x
  2. Step 2: Convert to fraction form
    374,554,397.85/561,831,596.78 = 374,554,397.85/x
  3. Step 3: Cross multiply
    374,554,397.85x = 561,831,596.78 × 374,554,397.85
  4. Step 4: Simplify right side
    374,554,397.85x = 210,436,495,423,164,128
  5. Step 5: Solve for x
    x = 210,436,495,423,164,128/374,554,397.85
  6. Step 6: Final answer
    x = 561,831,596.78

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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.