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Finding the Fourth Proportional to 502,893.36, 754,451.28 and 166,038.12

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Solution

The fourth proportional to 502,893.36, 754,451.28 and 166,038.12 is: 249,093.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,893.36 : 754,451.28 = 166,038.12 : x
  2. Step 2: Convert to fraction form
    502,893.36/754,451.28 = 166,038.12/x
  3. Step 3: Cross multiply
    502,893.36x = 754,451.28 × 166,038.12
  4. Step 4: Simplify right side
    502,893.36x = 125,267,672,162.79
  5. Step 5: Solve for x
    x = 125,267,672,162.79/502,893.36
  6. Step 6: Final answer
    x = 249,093.91

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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.