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Finding the Fourth Proportional to 450,292, 621,422.46 and 249,088

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Solution

The fourth proportional to 450,292, 621,422.46 and 249,088 is: 343,752.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,292 : 621,422.46 = 249,088 : x
  2. Step 2: Convert to fraction form
    450,292/621,422.46 = 249,088/x
  3. Step 3: Cross multiply
    450,292x = 621,422.46 × 249,088
  4. Step 4: Simplify right side
    450,292x = 154,788,877,716.48
  5. Step 5: Solve for x
    x = 154,788,877,716.48/450,292
  6. Step 6: Final answer
    x = 343,752.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.