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Finding the Fourth Proportional to 374,573,309.80, 561,859,964.70 and 366,920,559.40

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Solution

The fourth proportional to 374,573,309.80, 561,859,964.70 and 366,920,559.40 is: 550,380,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,573,309.80 : 561,859,964.70 = 366,920,559.40 : x
  2. Step 2: Convert to fraction form
    374,573,309.80/561,859,964.70 = 366,920,559.40/x
  3. Step 3: Cross multiply
    374,573,309.80x = 561,859,964.70 × 366,920,559.40
  4. Step 4: Simplify right side
    374,573,309.80x = 206,157,972,552,188,256
  5. Step 5: Solve for x
    x = 206,157,972,552,188,256/374,573,309.80
  6. Step 6: Final answer
    x = 550,380,839.10

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1.5x scale

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.