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Finding the Fourth Proportional to 450,316.56, 675,521.98 and 146,734.30

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Solution

The fourth proportional to 450,316.56, 675,521.98 and 146,734.30 is: 220,116.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,316.56 : 675,521.98 = 146,734.30 : x
  2. Step 2: Convert to fraction form
    450,316.56/675,521.98 = 146,734.30/x
  3. Step 3: Cross multiply
    450,316.56x = 675,521.98 × 146,734.30
  4. Step 4: Simplify right side
    450,316.56x = 99,122,245,347.48
  5. Step 5: Solve for x
    x = 99,122,245,347.48/450,316.56
  6. Step 6: Final answer
    x = 220,116.81

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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.