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Finding the Fourth Proportional to 446,376.08, 669,490.08 and 146,860.40

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Solution

The fourth proportional to 446,376.08, 669,490.08 and 146,860.40 is: 220,266.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,376.08 : 669,490.08 = 146,860.40 : x
  2. Step 2: Convert to fraction form
    446,376.08/669,490.08 = 146,860.40/x
  3. Step 3: Cross multiply
    446,376.08x = 669,490.08 × 146,860.40
  4. Step 4: Simplify right side
    446,376.08x = 98,321,580,944.83
  5. Step 5: Solve for x
    x = 98,321,580,944.83/446,376.08
  6. Step 6: Final answer
    x = 220,266.24

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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.