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Finding the Fourth Proportional to 526,328.64, 725,874.48 and 373,063.68

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Solution

The fourth proportional to 526,328.64, 725,874.48 and 373,063.68 is: 514,502.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,328.64 : 725,874.48 = 373,063.68 : x
  2. Step 2: Convert to fraction form
    526,328.64/725,874.48 = 373,063.68/x
  3. Step 3: Cross multiply
    526,328.64x = 725,874.48 × 373,063.68
  4. Step 4: Simplify right side
    526,328.64x = 270,797,404,726.89
  5. Step 5: Solve for x
    x = 270,797,404,726.89/526,328.64
  6. Step 6: Final answer
    x = 514,502.51

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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.