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Finding the Fourth Proportional to 297,683.80, 446,525.70 and 147,952.60

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Solution

The fourth proportional to 297,683.80, 446,525.70 and 147,952.60 is: 221,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,683.80 : 446,525.70 = 147,952.60 : x
  2. Step 2: Convert to fraction form
    297,683.80/446,525.70 = 147,952.60/x
  3. Step 3: Cross multiply
    297,683.80x = 446,525.70 × 147,952.60
  4. Step 4: Simplify right side
    297,683.80x = 66,064,638,281.82
  5. Step 5: Solve for x
    x = 66,064,638,281.82/297,683.80
  6. Step 6: Final answer
    x = 221,928.90

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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.