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Finding the Fourth Proportional to 411,770.25, 568,242.81 and 230,482.13

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Solution

The fourth proportional to 411,770.25, 568,242.81 and 230,482.13 is: 318,065.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,770.25 : 568,242.81 = 230,482.13 : x
  2. Step 2: Convert to fraction form
    411,770.25/568,242.81 = 230,482.13/x
  3. Step 3: Cross multiply
    411,770.25x = 568,242.81 × 230,482.13
  4. Step 4: Simplify right side
    411,770.25x = 130,969,810,364.77
  5. Step 5: Solve for x
    x = 130,969,810,364.77/411,770.25
  6. Step 6: Final answer
    x = 318,065.26

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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.