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Finding the Fourth Proportional to 446,303.20, 669,454.80 and 165,762.40

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Solution

The fourth proportional to 446,303.20, 669,454.80 and 165,762.40 is: 248,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,303.20 : 669,454.80 = 165,762.40 : x
  2. Step 2: Convert to fraction form
    446,303.20/669,454.80 = 165,762.40/x
  3. Step 3: Cross multiply
    446,303.20x = 669,454.80 × 165,762.40
  4. Step 4: Simplify right side
    446,303.20x = 110,970,434,339.52
  5. Step 5: Solve for x
    x = 110,970,434,339.52/446,303.20
  6. Step 6: Final answer
    x = 248,643.60

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Similar ratio
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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.