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Finding the Fourth Proportional to 376,439.76, 520,508.69 and 370,355.58

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Solution

The fourth proportional to 376,439.76, 520,508.69 and 370,355.58 is: 512,096.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,439.76 : 520,508.69 = 370,355.58 : x
  2. Step 2: Convert to fraction form
    376,439.76/520,508.69 = 370,355.58/x
  3. Step 3: Cross multiply
    376,439.76x = 520,508.69 × 370,355.58
  4. Step 4: Simplify right side
    376,439.76x = 192,773,295,928.21
  5. Step 5: Solve for x
    x = 192,773,295,928.21/376,439.76
  6. Step 6: Final answer
    x = 512,096.00

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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.