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Finding the Fourth Proportional to 546,661.30, 819,635.55 and 490,674.10

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Solution

The fourth proportional to 546,661.30, 819,635.55 and 490,674.10 is: 735,691.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,661.30 : 819,635.55 = 490,674.10 : x
  2. Step 2: Convert to fraction form
    546,661.30/819,635.55 = 490,674.10/x
  3. Step 3: Cross multiply
    546,661.30x = 819,635.55 × 490,674.10
  4. Step 4: Simplify right side
    546,661.30x = 402,173,935,824.26
  5. Step 5: Solve for x
    x = 402,173,935,824.26/546,661.30
  6. Step 6: Final answer
    x = 735,691.25

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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.