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Finding the Fourth Proportional to 525,725.60, 788,588.40 and 441,744.80

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Solution

The fourth proportional to 525,725.60, 788,588.40 and 441,744.80 is: 662,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,725.60 : 788,588.40 = 441,744.80 : x
  2. Step 2: Convert to fraction form
    525,725.60/788,588.40 = 441,744.80/x
  3. Step 3: Cross multiply
    525,725.60x = 788,588.40 × 441,744.80
  4. Step 4: Simplify right side
    525,725.60x = 348,354,825,040.32
  5. Step 5: Solve for x
    x = 348,354,825,040.32/525,725.60
  6. Step 6: Final answer
    x = 662,617.20

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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.