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Finding the Fourth Proportional to 363,538.40, 501,678.24 and 210,597.44

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Solution

The fourth proportional to 363,538.40, 501,678.24 and 210,597.44 is: 290,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,538.40 : 501,678.24 = 210,597.44 : x
  2. Step 2: Convert to fraction form
    363,538.40/501,678.24 = 210,597.44/x
  3. Step 3: Cross multiply
    363,538.40x = 501,678.24 × 210,597.44
  4. Step 4: Simplify right side
    363,538.40x = 105,652,153,047.71
  5. Step 5: Solve for x
    x = 105,652,153,047.71/363,538.40
  6. Step 6: Final answer
    x = 290,621.71

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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.