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Finding the Fourth Proportional to 576,185.47, 795,062.59 and 321,547.39

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Solution

The fourth proportional to 576,185.47, 795,062.59 and 321,547.39 is: 443,694.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,185.47 : 795,062.59 = 321,547.39 : x
  2. Step 2: Convert to fraction form
    576,185.47/795,062.59 = 321,547.39/x
  3. Step 3: Cross multiply
    576,185.47x = 795,062.59 × 321,547.39
  4. Step 4: Simplify right side
    576,185.47x = 255,650,300,701.14
  5. Step 5: Solve for x
    x = 255,650,300,701.14/576,185.47
  6. Step 6: Final answer
    x = 443,694.46

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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.