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Finding the Fourth Proportional to 453,071.75, 625,255.07 and 249,138.18

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Solution

The fourth proportional to 453,071.75, 625,255.07 and 249,138.18 is: 343,819.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,071.75 : 625,255.07 = 249,138.18 : x
  2. Step 2: Convert to fraction form
    453,071.75/625,255.07 = 249,138.18/x
  3. Step 3: Cross multiply
    453,071.75x = 625,255.07 × 249,138.18
  4. Step 4: Simplify right side
    453,071.75x = 155,774,908,929.88
  5. Step 5: Solve for x
    x = 155,774,908,929.88/453,071.75
  6. Step 6: Final answer
    x = 343,819.52

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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.