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Finding the Fourth Proportional to 575,335.80, 863,003.70 and 335,203.20

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Solution

The fourth proportional to 575,335.80, 863,003.70 and 335,203.20 is: 502,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,335.80 : 863,003.70 = 335,203.20 : x
  2. Step 2: Convert to fraction form
    575,335.80/863,003.70 = 335,203.20/x
  3. Step 3: Cross multiply
    575,335.80x = 863,003.70 × 335,203.20
  4. Step 4: Simplify right side
    575,335.80x = 289,281,601,851.84
  5. Step 5: Solve for x
    x = 289,281,601,851.84/575,335.80
  6. Step 6: Final answer
    x = 502,804.80

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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.