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Finding the Fourth Proportional to 541,455.70, 747,217.68 and 296,436.32

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Solution

The fourth proportional to 541,455.70, 747,217.68 and 296,436.32 is: 409,086.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,455.70 : 747,217.68 = 296,436.32 : x
  2. Step 2: Convert to fraction form
    541,455.70/747,217.68 = 296,436.32/x
  3. Step 3: Cross multiply
    541,455.70x = 747,217.68 × 296,436.32
  4. Step 4: Simplify right side
    541,455.70x = 221,502,457,815.96
  5. Step 5: Solve for x
    x = 221,502,457,815.96/541,455.70
  6. Step 6: Final answer
    x = 409,086.94

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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.