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Finding the Fourth Proportional to 376,894.80, 520,159.08 and 223,934.22

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Solution

The fourth proportional to 376,894.80, 520,159.08 and 223,934.22 is: 309,055.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,894.80 : 520,159.08 = 223,934.22 : x
  2. Step 2: Convert to fraction form
    376,894.80/520,159.08 = 223,934.22/x
  3. Step 3: Cross multiply
    376,894.80x = 520,159.08 × 223,934.22
  4. Step 4: Simplify right side
    376,894.80x = 116,481,417,855.72
  5. Step 5: Solve for x
    x = 116,481,417,855.72/376,894.80
  6. Step 6: Final answer
    x = 309,055.52

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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.