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Finding the Fourth Proportional to 452,991.20, 625,111.94 and 249,040.65

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Solution

The fourth proportional to 452,991.20, 625,111.94 and 249,040.65 is: 343,667.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,991.20 : 625,111.94 = 249,040.65 : x
  2. Step 2: Convert to fraction form
    452,991.20/625,111.94 = 249,040.65/x
  3. Step 3: Cross multiply
    452,991.20x = 625,111.94 × 249,040.65
  4. Step 4: Simplify right side
    452,991.20x = 155,678,284,482.96
  5. Step 5: Solve for x
    x = 155,678,284,482.96/452,991.20
  6. Step 6: Final answer
    x = 343,667.35

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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.