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Finding the Fourth Proportional to 1,756,363, 2,634,550.98 and 426,667

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Solution

The fourth proportional to 1,756,363, 2,634,550.98 and 426,667 is: 640,002.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756,363 : 2,634,550.98 = 426,667 : x
  2. Step 2: Convert to fraction form
    1,756,363/2,634,550.98 = 426,667/x
  3. Step 3: Cross multiply
    1,756,363x = 2,634,550.98 × 426,667
  4. Step 4: Simplify right side
    1,756,363x = 1,124,075,962,983.66
  5. Step 5: Solve for x
    x = 1,124,075,962,983.66/1,756,363
  6. Step 6: Final answer
    x = 640,002.07

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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.