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Finding the Fourth Proportional to 1,357,662, 1,873,573.56 and 754,106.16

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Solution

The fourth proportional to 1,357,662, 1,873,573.56 and 754,106.16 is: 1,040,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,662 : 1,873,573.56 = 754,106.16 : x
  2. Step 2: Convert to fraction form
    1,357,662/1,873,573.56 = 754,106.16/x
  3. Step 3: Cross multiply
    1,357,662x = 1,873,573.56 × 754,106.16
  4. Step 4: Simplify right side
    1,357,662x = 1,412,873,362,809.13
  5. Step 5: Solve for x
    x = 1,412,873,362,809.13/1,357,662
  6. Step 6: Final answer
    x = 1,040,666.50

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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.