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Finding the Fourth Proportional to 363,397.38, 501,451.12 and 210,485.24

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Solution

The fourth proportional to 363,397.38, 501,451.12 and 210,485.24 is: 290,448.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,397.38 : 501,451.12 = 210,485.24 : x
  2. Step 2: Convert to fraction form
    363,397.38/501,451.12 = 210,485.24/x
  3. Step 3: Cross multiply
    363,397.38x = 501,451.12 × 210,485.24
  4. Step 4: Simplify right side
    363,397.38x = 105,548,059,341.47
  5. Step 5: Solve for x
    x = 105,548,059,341.47/363,397.38
  6. Step 6: Final answer
    x = 290,448.05

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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.