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Finding the Fourth Proportional to 374,253.48, 516,458.34 and 204,487.38

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Solution

The fourth proportional to 374,253.48, 516,458.34 and 204,487.38 is: 282,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,253.48 : 516,458.34 = 204,487.38 : x
  2. Step 2: Convert to fraction form
    374,253.48/516,458.34 = 204,487.38/x
  3. Step 3: Cross multiply
    374,253.48x = 516,458.34 × 204,487.38
  4. Step 4: Simplify right side
    374,253.48x = 105,609,212,825.75
  5. Step 5: Solve for x
    x = 105,609,212,825.75/374,253.48
  6. Step 6: Final answer
    x = 282,186.32

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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.