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Finding the Fourth Proportional to 567,187.20, 850,780.80 and 497,203.20

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Solution

The fourth proportional to 567,187.20, 850,780.80 and 497,203.20 is: 745,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,187.20 : 850,780.80 = 497,203.20 : x
  2. Step 2: Convert to fraction form
    567,187.20/850,780.80 = 497,203.20/x
  3. Step 3: Cross multiply
    567,187.20x = 850,780.80 × 497,203.20
  4. Step 4: Simplify right side
    567,187.20x = 423,010,936,258.56
  5. Step 5: Solve for x
    x = 423,010,936,258.56/567,187.20
  6. Step 6: Final answer
    x = 745,804.80

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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.