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Finding the Fourth Proportional to 453,100.87, 625,319.01 and 249,187.69

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Solution

The fourth proportional to 453,100.87, 625,319.01 and 249,187.69 is: 343,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,100.87 : 625,319.01 = 249,187.69 : x
  2. Step 2: Convert to fraction form
    453,100.87/625,319.01 = 249,187.69/x
  3. Step 3: Cross multiply
    453,100.87x = 625,319.01 × 249,187.69
  4. Step 4: Simplify right side
    453,100.87x = 155,821,795,242.45
  5. Step 5: Solve for x
    x = 155,821,795,242.45/453,100.87
  6. Step 6: Final answer
    x = 343,900.90

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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.