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Finding the Fourth Proportional to 556,620.48, 828,235.44 and 554,754.24

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Solution

The fourth proportional to 556,620.48, 828,235.44 and 554,754.24 is: 825,458.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,620.48 : 828,235.44 = 554,754.24 : x
  2. Step 2: Convert to fraction form
    556,620.48/828,235.44 = 554,754.24/x
  3. Step 3: Cross multiply
    556,620.48x = 828,235.44 × 554,754.24
  4. Step 4: Simplify right side
    556,620.48x = 459,467,122,058.27
  5. Step 5: Solve for x
    x = 459,467,122,058.27/556,620.48
  6. Step 6: Final answer
    x = 825,458.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.