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Finding the Fourth Proportional to 495,429.32, 742,176.51 and 235,396.86

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Solution

The fourth proportional to 495,429.32, 742,176.51 and 235,396.86 is: 352,635.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,429.32 : 742,176.51 = 235,396.86 : x
  2. Step 2: Convert to fraction form
    495,429.32/742,176.51 = 235,396.86/x
  3. Step 3: Cross multiply
    495,429.32x = 742,176.51 × 235,396.86
  4. Step 4: Simplify right side
    495,429.32x = 174,706,022,214.43
  5. Step 5: Solve for x
    x = 174,706,022,214.43/495,429.32
  6. Step 6: Final answer
    x = 352,635.62

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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.