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Finding the Fourth Proportional to 353,226.66, 487,308.88 and 200,232.42

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Solution

The fourth proportional to 353,226.66, 487,308.88 and 200,232.42 is: 276,239.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,226.66 : 487,308.88 = 200,232.42 : x
  2. Step 2: Convert to fraction form
    353,226.66/487,308.88 = 200,232.42/x
  3. Step 3: Cross multiply
    353,226.66x = 487,308.88 × 200,232.42
  4. Step 4: Simplify right side
    353,226.66x = 97,575,036,329.89
  5. Step 5: Solve for x
    x = 97,575,036,329.89/353,226.66
  6. Step 6: Final answer
    x = 276,239.16

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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.