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Finding the Fourth Proportional to 422,307.64, 633,554.90 and 232,670.36

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Solution

The fourth proportional to 422,307.64, 633,554.90 and 232,670.36 is: 349,057.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,307.64 : 633,554.90 = 232,670.36 : x
  2. Step 2: Convert to fraction form
    422,307.64/633,554.90 = 232,670.36/x
  3. Step 3: Cross multiply
    422,307.64x = 633,554.90 × 232,670.36
  4. Step 4: Simplify right side
    422,307.64x = 147,409,447,955.81
  5. Step 5: Solve for x
    x = 147,409,447,955.81/422,307.64
  6. Step 6: Final answer
    x = 349,057.02

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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.