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Finding the Fourth Proportional to 395,744.30, 592,197.51 and 342,619.01

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Solution

The fourth proportional to 395,744.30, 592,197.51 and 342,619.01 is: 512,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,744.30 : 592,197.51 = 342,619.01 : x
  2. Step 2: Convert to fraction form
    395,744.30/592,197.51 = 342,619.01/x
  3. Step 3: Cross multiply
    395,744.30x = 592,197.51 × 342,619.01
  4. Step 4: Simplify right side
    395,744.30x = 202,898,124,600.67
  5. Step 5: Solve for x
    x = 202,898,124,600.67/395,744.30
  6. Step 6: Final answer
    x = 512,700.06

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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.