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Finding the Fourth Proportional to 453,388.64, 625,676.35 and 249,435.20

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Solution

The fourth proportional to 453,388.64, 625,676.35 and 249,435.20 is: 344,220.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,388.64 : 625,676.35 = 249,435.20 : x
  2. Step 2: Convert to fraction form
    453,388.64/625,676.35 = 249,435.20/x
  3. Step 3: Cross multiply
    453,388.64x = 625,676.35 × 249,435.20
  4. Step 4: Simplify right side
    453,388.64x = 156,065,702,369.14
  5. Step 5: Solve for x
    x = 156,065,702,369.14/453,388.64
  6. Step 6: Final answer
    x = 344,220.58

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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.