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Finding the Fourth Proportional to 382,605.60, 573,252.30 and 249,417.30

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Solution

The fourth proportional to 382,605.60, 573,252.30 and 249,417.30 is: 373,698.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,605.60 : 573,252.30 = 249,417.30 : x
  2. Step 2: Convert to fraction form
    382,605.60/573,252.30 = 249,417.30/x
  3. Step 3: Cross multiply
    382,605.60x = 573,252.30 × 249,417.30
  4. Step 4: Simplify right side
    382,605.60x = 142,979,040,884.79
  5. Step 5: Solve for x
    x = 142,979,040,884.79/382,605.60
  6. Step 6: Final answer
    x = 373,698.24

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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.