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Finding the Fourth Proportional to 572,277.84, 789,825.63 and 342,844.98

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Solution

The fourth proportional to 572,277.84, 789,825.63 and 342,844.98 is: 473,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,277.84 : 789,825.63 = 342,844.98 : x
  2. Step 2: Convert to fraction form
    572,277.84/789,825.63 = 342,844.98/x
  3. Step 3: Cross multiply
    572,277.84x = 789,825.63 × 342,844.98
  4. Step 4: Simplify right side
    572,277.84x = 270,787,752,320.84
  5. Step 5: Solve for x
    x = 270,787,752,320.84/572,277.84
  6. Step 6: Final answer
    x = 473,175.32

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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.