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Finding the Fourth Proportional to 376,824.51, 520,017.71 and 207,069.57

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Solution

The fourth proportional to 376,824.51, 520,017.71 and 207,069.57 is: 285,755.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,824.51 : 520,017.71 = 207,069.57 : x
  2. Step 2: Convert to fraction form
    376,824.51/520,017.71 = 207,069.57/x
  3. Step 3: Cross multiply
    376,824.51x = 520,017.71 × 207,069.57
  4. Step 4: Simplify right side
    376,824.51x = 107,679,842,566.74
  5. Step 5: Solve for x
    x = 107,679,842,566.74/376,824.51
  6. Step 6: Final answer
    x = 285,755.94

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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.