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Finding the Fourth Proportional to 606,895,660.80, 910,343,491.20 and 606,895,660.80

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Solution

The fourth proportional to 606,895,660.80, 910,343,491.20 and 606,895,660.80 is: 910,343,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,895,660.80 : 910,343,491.20 = 606,895,660.80 : x
  2. Step 2: Convert to fraction form
    606,895,660.80/910,343,491.20 = 606,895,660.80/x
  3. Step 3: Cross multiply
    606,895,660.80x = 910,343,491.20 × 606,895,660.80
  4. Step 4: Simplify right side
    606,895,660.80x = 552,483,514,646,802,944
  5. Step 5: Solve for x
    x = 552,483,514,646,802,944/606,895,660.80
  6. Step 6: Final answer
    x = 910,343,491.20

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Double scale
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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.