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Finding the Fourth Proportional to 295,359.72, 407,475.06 and 219,066.53

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Solution

The fourth proportional to 295,359.72, 407,475.06 and 219,066.53 is: 302,221.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,359.72 : 407,475.06 = 219,066.53 : x
  2. Step 2: Convert to fraction form
    295,359.72/407,475.06 = 219,066.53/x
  3. Step 3: Cross multiply
    295,359.72x = 407,475.06 × 219,066.53
  4. Step 4: Simplify right side
    295,359.72x = 89,264,144,596.87
  5. Step 5: Solve for x
    x = 89,264,144,596.87/295,359.72
  6. Step 6: Final answer
    x = 302,221.80

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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.