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Finding the Fourth Proportional to 363,539.04, 501,554.01 and 210,493.69

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Solution

The fourth proportional to 363,539.04, 501,554.01 and 210,493.69 is: 290,406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,539.04 : 501,554.01 = 210,493.69 : x
  2. Step 2: Convert to fraction form
    363,539.04/501,554.01 = 210,493.69/x
  3. Step 3: Cross multiply
    363,539.04x = 501,554.01 × 210,493.69
  4. Step 4: Simplify right side
    363,539.04x = 105,573,953,538.66
  5. Step 5: Solve for x
    x = 105,573,953,538.66/363,539.04
  6. Step 6: Final answer
    x = 290,406.10

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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.