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Finding the Fourth Proportional to 541,904.76, 747,796.55 and 296,840.77

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Solution

The fourth proportional to 541,904.76, 747,796.55 and 296,840.77 is: 409,622.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,904.76 : 747,796.55 = 296,840.77 : x
  2. Step 2: Convert to fraction form
    541,904.76/747,796.55 = 296,840.77/x
  3. Step 3: Cross multiply
    541,904.76x = 747,796.55 × 296,840.77
  4. Step 4: Simplify right side
    541,904.76x = 221,976,500,351.65
  5. Step 5: Solve for x
    x = 221,976,500,351.65/541,904.76
  6. Step 6: Final answer
    x = 409,622.72

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Double scale
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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.