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Finding the Fourth Proportional to 347,114.51, 520,133.21 and 240,706.02

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Solution

The fourth proportional to 347,114.51, 520,133.21 and 240,706.02 is: 360,685.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,114.51 : 520,133.21 = 240,706.02 : x
  2. Step 2: Convert to fraction form
    347,114.51/520,133.21 = 240,706.02/x
  3. Step 3: Cross multiply
    347,114.51x = 520,133.21 × 240,706.02
  4. Step 4: Simplify right side
    347,114.51x = 125,199,194,848.92
  5. Step 5: Solve for x
    x = 125,199,194,848.92/347,114.51
  6. Step 6: Final answer
    x = 360,685.57

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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.