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Finding the Fourth Proportional to 544,636.19, 751,545.29 and 315,147.69

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Solution

The fourth proportional to 544,636.19, 751,545.29 and 315,147.69 is: 434,873.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,636.19 : 751,545.29 = 315,147.69 : x
  2. Step 2: Convert to fraction form
    544,636.19/751,545.29 = 315,147.69/x
  3. Step 3: Cross multiply
    544,636.19x = 751,545.29 × 315,147.69
  4. Step 4: Simplify right side
    544,636.19x = 236,847,760,498.14
  5. Step 5: Solve for x
    x = 236,847,760,498.14/544,636.19
  6. Step 6: Final answer
    x = 434,873.35

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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.