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Finding the Fourth Proportional to 556,473.64, 834,613.52 and 256,928.62

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Solution

The fourth proportional to 556,473.64, 834,613.52 and 256,928.62 is: 385,348.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,473.64 : 834,613.52 = 256,928.62 : x
  2. Step 2: Convert to fraction form
    556,473.64/834,613.52 = 256,928.62/x
  3. Step 3: Cross multiply
    556,473.64x = 834,613.52 × 256,928.62
  4. Step 4: Simplify right side
    556,473.64x = 214,436,099,926.94
  5. Step 5: Solve for x
    x = 214,436,099,926.94/556,473.64
  6. Step 6: Final answer
    x = 385,348.17

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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.