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Finding the Fourth Proportional to 1,304,957.58, 1,958,868.17 and 1,036,809.05

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Solution

The fourth proportional to 1,304,957.58, 1,958,868.17 and 1,036,809.05 is: 1,556,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,957.58 : 1,958,868.17 = 1,036,809.05 : x
  2. Step 2: Convert to fraction form
    1,304,957.58/1,958,868.17 = 1,036,809.05/x
  3. Step 3: Cross multiply
    1,304,957.58x = 1,958,868.17 × 1,036,809.05
  4. Step 4: Simplify right side
    1,304,957.58x = 2,030,972,241,228.89
  5. Step 5: Solve for x
    x = 2,030,972,241,228.89/1,304,957.58
  6. Step 6: Final answer
    x = 1,556,351.16

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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.