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Finding the Fourth Proportional to 650,379.51, 896,927.36 and 558,467.51

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Solution

The fourth proportional to 650,379.51, 896,927.36 and 558,467.51 is: 770,173.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,379.51 : 896,927.36 = 558,467.51 : x
  2. Step 2: Convert to fraction form
    650,379.51/896,927.36 = 558,467.51/x
  3. Step 3: Cross multiply
    650,379.51x = 896,927.36 × 558,467.51
  4. Step 4: Simplify right side
    650,379.51x = 500,904,782,113.10
  5. Step 5: Solve for x
    x = 500,904,782,113.10/650,379.51
  6. Step 6: Final answer
    x = 770,173.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.