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Finding the Fourth Proportional to 364,892.86, 503,899.95 and 345,013.30

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Solution

The fourth proportional to 364,892.86, 503,899.95 and 345,013.30 is: 476,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,892.86 : 503,899.95 = 345,013.30 : x
  2. Step 2: Convert to fraction form
    364,892.86/503,899.95 = 345,013.30/x
  3. Step 3: Cross multiply
    364,892.86x = 503,899.95 × 345,013.30
  4. Step 4: Simplify right side
    364,892.86x = 173,852,184,619.34
  5. Step 5: Solve for x
    x = 173,852,184,619.34/364,892.86
  6. Step 6: Final answer
    x = 476,447.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.