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Finding the Fourth Proportional to 300,567.40, 450,525.66 and 195,461.80

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Solution

The fourth proportional to 300,567.40, 450,525.66 and 195,461.80 is: 292,981.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,567.40 : 450,525.66 = 195,461.80 : x
  2. Step 2: Convert to fraction form
    300,567.40/450,525.66 = 195,461.80/x
  3. Step 3: Cross multiply
    300,567.40x = 450,525.66 × 195,461.80
  4. Step 4: Simplify right side
    300,567.40x = 88,060,556,449.79
  5. Step 5: Solve for x
    x = 88,060,556,449.79/300,567.40
  6. Step 6: Final answer
    x = 292,981.06

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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.