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Finding the Fourth Proportional to 922,843.88, 1,273,334.42 and 530,300.94

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Solution

The fourth proportional to 922,843.88, 1,273,334.42 and 530,300.94 is: 731,706.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,843.88 : 1,273,334.42 = 530,300.94 : x
  2. Step 2: Convert to fraction form
    922,843.88/1,273,334.42 = 530,300.94/x
  3. Step 3: Cross multiply
    922,843.88x = 1,273,334.42 × 530,300.94
  4. Step 4: Simplify right side
    922,843.88x = 675,250,437,208.85
  5. Step 5: Solve for x
    x = 675,250,437,208.85/922,843.88
  6. Step 6: Final answer
    x = 731,706.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.