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Finding the Fourth Proportional to 453,015.40, 625,162.49 and 249,087.16

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Solution

The fourth proportional to 453,015.40, 625,162.49 and 249,087.16 is: 343,740.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,015.40 : 625,162.49 = 249,087.16 : x
  2. Step 2: Convert to fraction form
    453,015.40/625,162.49 = 249,087.16/x
  3. Step 3: Cross multiply
    453,015.40x = 625,162.49 × 249,087.16
  4. Step 4: Simplify right side
    453,015.40x = 155,719,949,172.63
  5. Step 5: Solve for x
    x = 155,719,949,172.63/453,015.40
  6. Step 6: Final answer
    x = 343,740.96

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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.