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Finding the Fourth Proportional to 252,463.98, 348,338 and 154,322.08

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Solution

The fourth proportional to 252,463.98, 348,338 and 154,322.08 is: 212,926.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,463.98 : 348,338 = 154,322.08 : x
  2. Step 2: Convert to fraction form
    252,463.98/348,338 = 154,322.08/x
  3. Step 3: Cross multiply
    252,463.98x = 348,338 × 154,322.08
  4. Step 4: Simplify right side
    252,463.98x = 53,756,244,703.04
  5. Step 5: Solve for x
    x = 53,756,244,703.04/252,463.98
  6. Step 6: Final answer
    x = 212,926.39

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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.