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Finding the Fourth Proportional to 495,039.93, 742,440.92 and 228,544.49

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Solution

The fourth proportional to 495,039.93, 742,440.92 and 228,544.49 is: 342,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,039.93 : 742,440.92 = 228,544.49 : x
  2. Step 2: Convert to fraction form
    495,039.93/742,440.92 = 228,544.49/x
  3. Step 3: Cross multiply
    495,039.93x = 742,440.92 × 228,544.49
  4. Step 4: Simplify right side
    495,039.93x = 169,680,776,561.60
  5. Step 5: Solve for x
    x = 169,680,776,561.60/495,039.93
  6. Step 6: Final answer
    x = 342,761.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.