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Finding the Fourth Proportional to 526,467.84, 726,525.76 and 297,073.76

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Solution

The fourth proportional to 526,467.84, 726,525.76 and 297,073.76 is: 409,961.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,467.84 : 726,525.76 = 297,073.76 : x
  2. Step 2: Convert to fraction form
    526,467.84/726,525.76 = 297,073.76/x
  3. Step 3: Cross multiply
    526,467.84x = 726,525.76 × 297,073.76
  4. Step 4: Simplify right side
    526,467.84x = 215,831,739,260.06
  5. Step 5: Solve for x
    x = 215,831,739,260.06/526,467.84
  6. Step 6: Final answer
    x = 409,961.87

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1.5x scale

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.