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Finding the Fourth Proportional to 551,124,017.80, 826,686,026.70 and 223,756,361.80

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Solution

The fourth proportional to 551,124,017.80, 826,686,026.70 and 223,756,361.80 is: 335,634,542.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,124,017.80 : 826,686,026.70 = 223,756,361.80 : x
  2. Step 2: Convert to fraction form
    551,124,017.80/826,686,026.70 = 223,756,361.80/x
  3. Step 3: Cross multiply
    551,124,017.80x = 826,686,026.70 × 223,756,361.80
  4. Step 4: Simplify right side
    551,124,017.80x = 184,976,257,685,289,696
  5. Step 5: Solve for x
    x = 184,976,257,685,289,696/551,124,017.80
  6. Step 6: Final answer
    x = 335,634,542.70

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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.