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Finding the Fourth Proportional to 626,483.54, 939,514.71 and 227,040.68

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Solution

The fourth proportional to 626,483.54, 939,514.71 and 227,040.68 is: 340,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,483.54 : 939,514.71 = 227,040.68 : x
  2. Step 2: Convert to fraction form
    626,483.54/939,514.71 = 227,040.68/x
  3. Step 3: Cross multiply
    626,483.54x = 939,514.71 × 227,040.68
  4. Step 4: Simplify right side
    626,483.54x = 213,308,061,828.59
  5. Step 5: Solve for x
    x = 213,308,061,828.59/626,483.54
  6. Step 6: Final answer
    x = 340,484.70

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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.