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Finding the Fourth Proportional to 227,538.40, 341,307.60 and 61,326.40

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Solution

The fourth proportional to 227,538.40, 341,307.60 and 61,326.40 is: 91,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,538.40 : 341,307.60 = 61,326.40 : x
  2. Step 2: Convert to fraction form
    227,538.40/341,307.60 = 61,326.40/x
  3. Step 3: Cross multiply
    227,538.40x = 341,307.60 × 61,326.40
  4. Step 4: Simplify right side
    227,538.40x = 20,931,166,400.64
  5. Step 5: Solve for x
    x = 20,931,166,400.64/227,538.40
  6. Step 6: Final answer
    x = 91,989.60

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1.5x scale

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.