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Finding the Fourth Proportional to 556,044.40, 834,066.67 and 135,320.27

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Solution

The fourth proportional to 556,044.40, 834,066.67 and 135,320.27 is: 202,980.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,044.40 : 834,066.67 = 135,320.27 : x
  2. Step 2: Convert to fraction form
    556,044.40/834,066.67 = 135,320.27/x
  3. Step 3: Cross multiply
    556,044.40x = 834,066.67 × 135,320.27
  4. Step 4: Simplify right side
    556,044.40x = 112,866,127,419.12
  5. Step 5: Solve for x
    x = 112,866,127,419.12/556,044.40
  6. Step 6: Final answer
    x = 202,980.42

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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.