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Finding the Fourth Proportional to 1,249,800.03, 1,874,702.76 and 451,645.26

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Solution

The fourth proportional to 1,249,800.03, 1,874,702.76 and 451,645.26 is: 677,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,800.03 : 1,874,702.76 = 451,645.26 : x
  2. Step 2: Convert to fraction form
    1,249,800.03/1,874,702.76 = 451,645.26/x
  3. Step 3: Cross multiply
    1,249,800.03x = 1,874,702.76 × 451,645.26
  4. Step 4: Simplify right side
    1,249,800.03x = 846,700,615,462.92
  5. Step 5: Solve for x
    x = 846,700,615,462.92/1,249,800.03
  6. Step 6: Final answer
    x = 677,468.87

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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.