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Finding the Fourth Proportional to 399,937.71, 599,907.18 and 160,159.59

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Solution

The fourth proportional to 399,937.71, 599,907.18 and 160,159.59 is: 240,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,937.71 : 599,907.18 = 160,159.59 : x
  2. Step 2: Convert to fraction form
    399,937.71/599,907.18 = 160,159.59/x
  3. Step 3: Cross multiply
    399,937.71x = 599,907.18 × 160,159.59
  4. Step 4: Simplify right side
    399,937.71x = 96,080,887,986.86
  5. Step 5: Solve for x
    x = 96,080,887,986.86/399,937.71
  6. Step 6: Final answer
    x = 240,239.63

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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.