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Finding the Fourth Proportional to 570,776.12, 787,676.83 and 344,377.88

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Solution

The fourth proportional to 570,776.12, 787,676.83 and 344,377.88 is: 475,244.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,776.12 : 787,676.83 = 344,377.88 : x
  2. Step 2: Convert to fraction form
    570,776.12/787,676.83 = 344,377.88/x
  3. Step 3: Cross multiply
    570,776.12x = 787,676.83 × 344,377.88
  4. Step 4: Simplify right side
    570,776.12x = 271,258,472,041.19
  5. Step 5: Solve for x
    x = 271,258,472,041.19/570,776.12
  6. Step 6: Final answer
    x = 475,244.96

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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.