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Finding the Fourth Proportional to 374,489,244.40, 561,733,866.60 and 329,139,612.40

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Solution

The fourth proportional to 374,489,244.40, 561,733,866.60 and 329,139,612.40 is: 493,709,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,489,244.40 : 561,733,866.60 = 329,139,612.40 : x
  2. Step 2: Convert to fraction form
    374,489,244.40/561,733,866.60 = 329,139,612.40/x
  3. Step 3: Cross multiply
    374,489,244.40x = 561,733,866.60 × 329,139,612.40
  4. Step 4: Simplify right side
    374,489,244.40x = 184,888,867,124,677,312
  5. Step 5: Solve for x
    x = 184,888,867,124,677,312/374,489,244.40
  6. Step 6: Final answer
    x = 493,709,418.60

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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.