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Finding the Fourth Proportional to 546,681.88, 820,015.98 and 452,991.16

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Solution

The fourth proportional to 546,681.88, 820,015.98 and 452,991.16 is: 679,481.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,681.88 : 820,015.98 = 452,991.16 : x
  2. Step 2: Convert to fraction form
    546,681.88/820,015.98 = 452,991.16/x
  3. Step 3: Cross multiply
    546,681.88x = 820,015.98 × 452,991.16
  4. Step 4: Simplify right side
    546,681.88x = 371,459,989,998.74
  5. Step 5: Solve for x
    x = 371,459,989,998.74/546,681.88
  6. Step 6: Final answer
    x = 679,481.07

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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.