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Finding the Fourth Proportional to 452,999.28, 625,146 and 249,059.04

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Solution

The fourth proportional to 452,999.28, 625,146 and 249,059.04 is: 343,705.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,999.28 : 625,146 = 249,059.04 : x
  2. Step 2: Convert to fraction form
    452,999.28/625,146 = 249,059.04/x
  3. Step 3: Cross multiply
    452,999.28x = 625,146 × 249,059.04
  4. Step 4: Simplify right side
    452,999.28x = 155,698,262,619.84
  5. Step 5: Solve for x
    x = 155,698,262,619.84/452,999.28
  6. Step 6: Final answer
    x = 343,705.32

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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.