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Finding the Fourth Proportional to 1,168,929.63, 1,612,528.56 and 709,922.07

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Solution

The fourth proportional to 1,168,929.63, 1,612,528.56 and 709,922.07 is: 979,331.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,929.63 : 1,612,528.56 = 709,922.07 : x
  2. Step 2: Convert to fraction form
    1,168,929.63/1,612,528.56 = 709,922.07/x
  3. Step 3: Cross multiply
    1,168,929.63x = 1,612,528.56 × 709,922.07
  4. Step 4: Simplify right side
    1,168,929.63x = 1,144,769,613,249.32
  5. Step 5: Solve for x
    x = 1,144,769,613,249.32/1,168,929.63
  6. Step 6: Final answer
    x = 979,331.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.