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Finding the Fourth Proportional to 525,817.60, 788,726.40 and 245,881.60

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Solution

The fourth proportional to 525,817.60, 788,726.40 and 245,881.60 is: 368,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,817.60 : 788,726.40 = 245,881.60 : x
  2. Step 2: Convert to fraction form
    525,817.60/788,726.40 = 245,881.60/x
  3. Step 3: Cross multiply
    525,817.60x = 788,726.40 × 245,881.60
  4. Step 4: Simplify right side
    525,817.60x = 193,933,309,194.24
  5. Step 5: Solve for x
    x = 193,933,309,194.24/525,817.60
  6. Step 6: Final answer
    x = 368,822.40

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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.