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Finding the Fourth Proportional to 374,161,492.80, 560,570,392.80 and 320,413,780.80

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Solution

The fourth proportional to 374,161,492.80, 560,570,392.80 and 320,413,780.80 is: 480,045,334.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,161,492.80 : 560,570,392.80 = 320,413,780.80 : x
  2. Step 2: Convert to fraction form
    374,161,492.80/560,570,392.80 = 320,413,780.80/x
  3. Step 3: Cross multiply
    374,161,492.80x = 560,570,392.80 × 320,413,780.80
  4. Step 4: Simplify right side
    374,161,492.80x = 179,614,478,961,589,088
  5. Step 5: Solve for x
    x = 179,614,478,961,589,088/374,161,492.80
  6. Step 6: Final answer
    x = 480,045,334.48

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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.