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Finding the Fourth Proportional to 275,031.36, 412,547.34 and 75,353.46

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Solution

The fourth proportional to 275,031.36, 412,547.34 and 75,353.46 is: 113,030.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,031.36 : 412,547.34 = 75,353.46 : x
  2. Step 2: Convert to fraction form
    275,031.36/412,547.34 = 75,353.46/x
  3. Step 3: Cross multiply
    275,031.36x = 412,547.34 × 75,353.46
  4. Step 4: Simplify right side
    275,031.36x = 31,086,869,482.80
  5. Step 5: Solve for x
    x = 31,086,869,482.80/275,031.36
  6. Step 6: Final answer
    x = 113,030.27

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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.