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Finding the Fourth Proportional to 375,503.92, 563,255.75 and 249,390.39

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Solution

The fourth proportional to 375,503.92, 563,255.75 and 249,390.39 is: 374,085.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,503.92 : 563,255.75 = 249,390.39 : x
  2. Step 2: Convert to fraction form
    375,503.92/563,255.75 = 249,390.39/x
  3. Step 3: Cross multiply
    375,503.92x = 563,255.75 × 249,390.39
  4. Step 4: Simplify right side
    375,503.92x = 140,470,569,915.29
  5. Step 5: Solve for x
    x = 140,470,569,915.29/375,503.92
  6. Step 6: Final answer
    x = 374,085.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.