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Finding the Fourth Proportional to 602,178.64, 903,221.01 and 222,920.94

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Solution

The fourth proportional to 602,178.64, 903,221.01 and 222,920.94 is: 334,364.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,178.64 : 903,221.01 = 222,920.94 : x
  2. Step 2: Convert to fraction form
    602,178.64/903,221.01 = 222,920.94/x
  3. Step 3: Cross multiply
    602,178.64x = 903,221.01 × 222,920.94
  4. Step 4: Simplify right side
    602,178.64x = 201,346,879,964.03
  5. Step 5: Solve for x
    x = 201,346,879,964.03/602,178.64
  6. Step 6: Final answer
    x = 334,364.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.