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Finding the Fourth Proportional to 347,113.51, 520,131.71 and 240,705.02

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Solution

The fourth proportional to 347,113.51, 520,131.71 and 240,705.02 is: 360,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,113.51 : 520,131.71 = 240,705.02 : x
  2. Step 2: Convert to fraction form
    347,113.51/520,131.71 = 240,705.02/x
  3. Step 3: Cross multiply
    347,113.51x = 520,131.71 × 240,705.02
  4. Step 4: Simplify right side
    347,113.51x = 125,198,315,560.28
  5. Step 5: Solve for x
    x = 125,198,315,560.28/347,113.51
  6. Step 6: Final answer
    x = 360,684.08

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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.