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Finding the Fourth Proportional to 382,482.40, 573,723.60 and 341,148.10

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Solution

The fourth proportional to 382,482.40, 573,723.60 and 341,148.10 is: 511,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,482.40 : 573,723.60 = 341,148.10 : x
  2. Step 2: Convert to fraction form
    382,482.40/573,723.60 = 341,148.10/x
  3. Step 3: Cross multiply
    382,482.40x = 573,723.60 × 341,148.10
  4. Step 4: Simplify right side
    382,482.40x = 195,724,716,065.16
  5. Step 5: Solve for x
    x = 195,724,716,065.16/382,482.40
  6. Step 6: Final answer
    x = 511,722.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.