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Finding the Fourth Proportional to 374,482.46, 516,787.36 and 213,344.30

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Solution

The fourth proportional to 374,482.46, 516,787.36 and 213,344.30 is: 294,416.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,482.46 : 516,787.36 = 213,344.30 : x
  2. Step 2: Convert to fraction form
    374,482.46/516,787.36 = 213,344.30/x
  3. Step 3: Cross multiply
    374,482.46x = 516,787.36 × 213,344.30
  4. Step 4: Simplify right side
    374,482.46x = 110,253,637,568.05
  5. Step 5: Solve for x
    x = 110,253,637,568.05/374,482.46
  6. Step 6: Final answer
    x = 294,416.03

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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.