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Finding the Fourth Proportional to 525,733.60, 788,600.40 and 303,858.40

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Solution

The fourth proportional to 525,733.60, 788,600.40 and 303,858.40 is: 455,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,733.60 : 788,600.40 = 303,858.40 : x
  2. Step 2: Convert to fraction form
    525,733.60/788,600.40 = 303,858.40/x
  3. Step 3: Cross multiply
    525,733.60x = 788,600.40 × 303,858.40
  4. Step 4: Simplify right side
    525,733.60x = 239,622,855,783.36
  5. Step 5: Solve for x
    x = 239,622,855,783.36/525,733.60
  6. Step 6: Final answer
    x = 455,787.60

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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.