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Finding the Fourth Proportional to 556,458.64, 834,591.03 and 256,913.62

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Solution

The fourth proportional to 556,458.64, 834,591.03 and 256,913.62 is: 385,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,458.64 : 834,591.03 = 256,913.62 : x
  2. Step 2: Convert to fraction form
    556,458.64/834,591.03 = 256,913.62/x
  3. Step 3: Cross multiply
    556,458.64x = 834,591.03 × 256,913.62
  4. Step 4: Simplify right side
    556,458.64x = 214,417,802,736.83
  5. Step 5: Solve for x
    x = 214,417,802,736.83/556,458.64
  6. Step 6: Final answer
    x = 385,325.68

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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.