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Finding the Fourth Proportional to 452,913.80, 679,370.70 and 303,614.60

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Solution

The fourth proportional to 452,913.80, 679,370.70 and 303,614.60 is: 455,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,913.80 : 679,370.70 = 303,614.60 : x
  2. Step 2: Convert to fraction form
    452,913.80/679,370.70 = 303,614.60/x
  3. Step 3: Cross multiply
    452,913.80x = 679,370.70 × 303,614.60
  4. Step 4: Simplify right side
    452,913.80x = 206,266,863,332.22
  5. Step 5: Solve for x
    x = 206,266,863,332.22/452,913.80
  6. Step 6: Final answer
    x = 455,421.90

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Similar ratio
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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.