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Finding the Fourth Proportional to 465,044.70, 697,567.05 and 305,612.40

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Solution

The fourth proportional to 465,044.70, 697,567.05 and 305,612.40 is: 458,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,044.70 : 697,567.05 = 305,612.40 : x
  2. Step 2: Convert to fraction form
    465,044.70/697,567.05 = 305,612.40/x
  3. Step 3: Cross multiply
    465,044.70x = 697,567.05 × 305,612.40
  4. Step 4: Simplify right side
    465,044.70x = 213,185,140,311.42
  5. Step 5: Solve for x
    x = 213,185,140,311.42/465,044.70
  6. Step 6: Final answer
    x = 458,418.60

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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.