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Finding the Fourth Proportional to 606,726.30, 910,672.65 and 307,544.70

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Solution

The fourth proportional to 606,726.30, 910,672.65 and 307,544.70 is: 461,612.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,726.30 : 910,672.65 = 307,544.70 : x
  2. Step 2: Convert to fraction form
    606,726.30/910,672.65 = 307,544.70/x
  3. Step 3: Cross multiply
    606,726.30x = 910,672.65 × 307,544.70
  4. Step 4: Simplify right side
    606,726.30x = 280,072,546,942.46
  5. Step 5: Solve for x
    x = 280,072,546,942.46/606,726.30
  6. Step 6: Final answer
    x = 461,612.67

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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.