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Finding the Fourth Proportional to 470,891.10, 706,336.65 and 434,948.70

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Solution

The fourth proportional to 470,891.10, 706,336.65 and 434,948.70 is: 652,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,891.10 : 706,336.65 = 434,948.70 : x
  2. Step 2: Convert to fraction form
    470,891.10/706,336.65 = 434,948.70/x
  3. Step 3: Cross multiply
    470,891.10x = 706,336.65 × 434,948.70
  4. Step 4: Simplify right side
    470,891.10x = 307,220,207,679.86
  5. Step 5: Solve for x
    x = 307,220,207,679.86/470,891.10
  6. Step 6: Final answer
    x = 652,423.05

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Similar ratio
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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.