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Finding the Fourth Proportional to 364,978.49, 500,012.14 and 351,332.98

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Solution

The fourth proportional to 364,978.49, 500,012.14 and 351,332.98 is: 481,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,978.49 : 500,012.14 = 351,332.98 : x
  2. Step 2: Convert to fraction form
    364,978.49/500,012.14 = 351,332.98/x
  3. Step 3: Cross multiply
    364,978.49x = 500,012.14 × 351,332.98
  4. Step 4: Simplify right side
    364,978.49x = 175,670,755,822.19
  5. Step 5: Solve for x
    x = 175,670,755,822.19/364,978.49
  6. Step 6: Final answer
    x = 481,318.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.