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Finding the Fourth Proportional to 748,329, 1,122,503.22 and 249,693

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Solution

The fourth proportional to 748,329, 1,122,503.22 and 249,693 is: 374,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,329 : 1,122,503.22 = 249,693 : x
  2. Step 2: Convert to fraction form
    748,329/1,122,503.22 = 249,693/x
  3. Step 3: Cross multiply
    748,329x = 1,122,503.22 × 249,693
  4. Step 4: Simplify right side
    748,329x = 280,281,196,511.46
  5. Step 5: Solve for x
    x = 280,281,196,511.46/748,329
  6. Step 6: Final answer
    x = 374,542.74

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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.