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Finding the Fourth Proportional to 529,203.20, 793,804.80 and 486,809.60

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Solution

The fourth proportional to 529,203.20, 793,804.80 and 486,809.60 is: 730,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,203.20 : 793,804.80 = 486,809.60 : x
  2. Step 2: Convert to fraction form
    529,203.20/793,804.80 = 486,809.60/x
  3. Step 3: Cross multiply
    529,203.20x = 793,804.80 × 486,809.60
  4. Step 4: Simplify right side
    529,203.20x = 386,431,797,166.08
  5. Step 5: Solve for x
    x = 386,431,797,166.08/529,203.20
  6. Step 6: Final answer
    x = 730,214.40

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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.