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Finding the Fourth Proportional to 751,182.04, 1,036,639.38 and 411,643

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Solution

The fourth proportional to 751,182.04, 1,036,639.38 and 411,643 is: 568,071.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,182.04 : 1,036,639.38 = 411,643 : x
  2. Step 2: Convert to fraction form
    751,182.04/1,036,639.38 = 411,643/x
  3. Step 3: Cross multiply
    751,182.04x = 1,036,639.38 × 411,643
  4. Step 4: Simplify right side
    751,182.04x = 426,725,344,301.34
  5. Step 5: Solve for x
    x = 426,725,344,301.34/751,182.04
  6. Step 6: Final answer
    x = 568,071.81

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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.