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Finding the Fourth Proportional to 544,885.32, 751,929.94 and 315,452.28

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Solution

The fourth proportional to 544,885.32, 751,929.94 and 315,452.28 is: 435,317.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,885.32 : 751,929.94 = 315,452.28 : x
  2. Step 2: Convert to fraction form
    544,885.32/751,929.94 = 315,452.28/x
  3. Step 3: Cross multiply
    544,885.32x = 751,929.94 × 315,452.28
  4. Step 4: Simplify right side
    544,885.32x = 237,198,013,973.26
  5. Step 5: Solve for x
    x = 237,198,013,973.26/544,885.32
  6. Step 6: Final answer
    x = 435,317.31

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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.