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Finding the Fourth Proportional to 446,909.60, 670,623.60 and 166,455.20

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Solution

The fourth proportional to 446,909.60, 670,623.60 and 166,455.20 is: 249,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,909.60 : 670,623.60 = 166,455.20 : x
  2. Step 2: Convert to fraction form
    446,909.60/670,623.60 = 166,455.20/x
  3. Step 3: Cross multiply
    446,909.60x = 670,623.60 × 166,455.20
  4. Step 4: Simplify right side
    446,909.60x = 111,628,785,462.72
  5. Step 5: Solve for x
    x = 111,628,785,462.72/446,909.60
  6. Step 6: Final answer
    x = 249,779.34

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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.