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Finding the Fourth Proportional to 562,741.88, 776,511.46 and 321,010.02

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Solution

The fourth proportional to 562,741.88, 776,511.46 and 321,010.02 is: 442,952.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,741.88 : 776,511.46 = 321,010.02 : x
  2. Step 2: Convert to fraction form
    562,741.88/776,511.46 = 321,010.02/x
  3. Step 3: Cross multiply
    562,741.88x = 776,511.46 × 321,010.02
  4. Step 4: Simplify right side
    562,741.88x = 249,267,958,502.30
  5. Step 5: Solve for x
    x = 249,267,958,502.30/562,741.88
  6. Step 6: Final answer
    x = 442,952.57

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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.