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Finding the Fourth Proportional to 495,061.49, 742,473.34 and 228,565.96

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Solution

The fourth proportional to 495,061.49, 742,473.34 and 228,565.96 is: 342,794.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,061.49 : 742,473.34 = 228,565.96 : x
  2. Step 2: Convert to fraction form
    495,061.49/742,473.34 = 228,565.96/x
  3. Step 3: Cross multiply
    495,061.49x = 742,473.34 × 228,565.96
  4. Step 4: Simplify right side
    495,061.49x = 169,704,129,303.91
  5. Step 5: Solve for x
    x = 169,704,129,303.91/495,061.49
  6. Step 6: Final answer
    x = 342,794.04

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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.