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Finding the Fourth Proportional to 556,510.26, 834,081.30 and 256,574.52

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Solution

The fourth proportional to 556,510.26, 834,081.30 and 256,574.52 is: 384,546.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,510.26 : 834,081.30 = 256,574.52 : x
  2. Step 2: Convert to fraction form
    556,510.26/834,081.30 = 256,574.52/x
  3. Step 3: Cross multiply
    556,510.26x = 834,081.30 × 256,574.52
  4. Step 4: Simplify right side
    556,510.26x = 214,004,009,188.48
  5. Step 5: Solve for x
    x = 214,004,009,188.48/556,510.26
  6. Step 6: Final answer
    x = 384,546.39

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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.