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Finding the Fourth Proportional to 604,969.20, 907,453.80 and 416,012.40

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Solution

The fourth proportional to 604,969.20, 907,453.80 and 416,012.40 is: 624,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,969.20 : 907,453.80 = 416,012.40 : x
  2. Step 2: Convert to fraction form
    604,969.20/907,453.80 = 416,012.40/x
  3. Step 3: Cross multiply
    604,969.20x = 907,453.80 × 416,012.40
  4. Step 4: Simplify right side
    604,969.20x = 377,512,033,227.12
  5. Step 5: Solve for x
    x = 377,512,033,227.12/604,969.20
  6. Step 6: Final answer
    x = 624,018.60

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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.