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Finding the Fourth Proportional to 525,985.60, 788,978.40 and 231,073.60

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Solution

The fourth proportional to 525,985.60, 788,978.40 and 231,073.60 is: 346,610.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,985.60 : 788,978.40 = 231,073.60 : x
  2. Step 2: Convert to fraction form
    525,985.60/788,978.40 = 231,073.60/x
  3. Step 3: Cross multiply
    525,985.60x = 788,978.40 × 231,073.60
  4. Step 4: Simplify right side
    525,985.60x = 182,312,079,210.24
  5. Step 5: Solve for x
    x = 182,312,079,210.24/525,985.60
  6. Step 6: Final answer
    x = 346,610.40

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Similar ratio
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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.