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Finding the Fourth Proportional to 446,528.40, 669,792.60 and 304,810.80

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Solution

The fourth proportional to 446,528.40, 669,792.60 and 304,810.80 is: 457,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,528.40 : 669,792.60 = 304,810.80 : x
  2. Step 2: Convert to fraction form
    446,528.40/669,792.60 = 304,810.80/x
  3. Step 3: Cross multiply
    446,528.40x = 669,792.60 × 304,810.80
  4. Step 4: Simplify right side
    446,528.40x = 204,160,018,240.08
  5. Step 5: Solve for x
    x = 204,160,018,240.08/446,528.40
  6. Step 6: Final answer
    x = 457,216.20

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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.