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Finding the Fourth Proportional to 264,485.94, 396,729.33 and 64,806.90

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Solution

The fourth proportional to 264,485.94, 396,729.33 and 64,806.90 is: 97,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,485.94 : 396,729.33 = 64,806.90 : x
  2. Step 2: Convert to fraction form
    264,485.94/396,729.33 = 64,806.90/x
  3. Step 3: Cross multiply
    264,485.94x = 396,729.33 × 64,806.90
  4. Step 4: Simplify right side
    264,485.94x = 25,710,798,016.38
  5. Step 5: Solve for x
    x = 25,710,798,016.38/264,485.94
  6. Step 6: Final answer
    x = 97,210.45

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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.