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Finding the Fourth Proportional to 450,368.60, 621,504.06 and 249,166.04

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Solution

The fourth proportional to 450,368.60, 621,504.06 and 249,166.04 is: 343,846.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,368.60 : 621,504.06 = 249,166.04 : x
  2. Step 2: Convert to fraction form
    450,368.60/621,504.06 = 249,166.04/x
  3. Step 3: Cross multiply
    450,368.60x = 621,504.06 × 249,166.04
  4. Step 4: Simplify right side
    450,368.60x = 154,857,705,474.12
  5. Step 5: Solve for x
    x = 154,857,705,474.12/450,368.60
  6. Step 6: Final answer
    x = 343,846.59

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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.