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Finding the Fourth Proportional to 511,032.19, 766,719 and 226,683.58

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Solution

The fourth proportional to 511,032.19, 766,719 and 226,683.58 is: 340,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,032.19 : 766,719 = 226,683.58 : x
  2. Step 2: Convert to fraction form
    511,032.19/766,719 = 226,683.58/x
  3. Step 3: Cross multiply
    511,032.19x = 766,719 × 226,683.58
  4. Step 4: Simplify right side
    511,032.19x = 173,802,607,774.02
  5. Step 5: Solve for x
    x = 173,802,607,774.02/511,032.19
  6. Step 6: Final answer
    x = 340,101.10

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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.