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Finding the Fourth Proportional to 1,009,992.71, 1,514,989.07 and 1,009,992.71

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Solution

The fourth proportional to 1,009,992.71, 1,514,989.07 and 1,009,992.71 is: 1,514,989.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,992.71 : 1,514,989.07 = 1,009,992.71 : x
  2. Step 2: Convert to fraction form
    1,009,992.71/1,514,989.07 = 1,009,992.71/x
  3. Step 3: Cross multiply
    1,009,992.71x = 1,514,989.07 × 1,009,992.71
  4. Step 4: Simplify right side
    1,009,992.71x = 1,530,127,918,954.66
  5. Step 5: Solve for x
    x = 1,530,127,918,954.66/1,009,992.71
  6. Step 6: Final answer
    x = 1,514,989.07

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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.