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Finding the Fourth Proportional to 369,999.48, 510,599.28 and 200,233.64

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Solution

The fourth proportional to 369,999.48, 510,599.28 and 200,233.64 is: 276,322.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,999.48 : 510,599.28 = 200,233.64 : x
  2. Step 2: Convert to fraction form
    369,999.48/510,599.28 = 200,233.64/x
  3. Step 3: Cross multiply
    369,999.48x = 510,599.28 × 200,233.64
  4. Step 4: Simplify right side
    369,999.48x = 102,239,152,415.78
  5. Step 5: Solve for x
    x = 102,239,152,415.78/369,999.48
  6. Step 6: Final answer
    x = 276,322.42

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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.