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Finding the Fourth Proportional to 526,333.46, 726,323.84 and 296,887.40

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Solution

The fourth proportional to 526,333.46, 726,323.84 and 296,887.40 is: 409,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,333.46 : 726,323.84 = 296,887.40 : x
  2. Step 2: Convert to fraction form
    526,333.46/726,323.84 = 296,887.40/x
  3. Step 3: Cross multiply
    526,333.46x = 726,323.84 × 296,887.40
  4. Step 4: Simplify right side
    526,333.46x = 215,636,396,415.62
  5. Step 5: Solve for x
    x = 215,636,396,415.62/526,333.46
  6. Step 6: Final answer
    x = 409,695.40

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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.