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Finding the Fourth Proportional to 556,382.48, 834,550.62 and 256,763.48

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Solution

The fourth proportional to 556,382.48, 834,550.62 and 256,763.48 is: 385,134.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,382.48 : 834,550.62 = 256,763.48 : x
  2. Step 2: Convert to fraction form
    556,382.48/834,550.62 = 256,763.48/x
  3. Step 3: Cross multiply
    556,382.48x = 834,550.62 × 256,763.48
  4. Step 4: Simplify right side
    556,382.48x = 214,282,121,427.36
  5. Step 5: Solve for x
    x = 214,282,121,427.36/556,382.48
  6. Step 6: Final answer
    x = 385,134.56

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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.