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Finding the Fourth Proportional to 495,688.32, 743,486.88 and 163,264.32

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Solution

The fourth proportional to 495,688.32, 743,486.88 and 163,264.32 is: 244,881.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,688.32 : 743,486.88 = 163,264.32 : x
  2. Step 2: Convert to fraction form
    495,688.32/743,486.88 = 163,264.32/x
  3. Step 3: Cross multiply
    495,688.32x = 743,486.88 × 163,264.32
  4. Step 4: Simplify right side
    495,688.32x = 121,384,879,892.12
  5. Step 5: Solve for x
    x = 121,384,879,892.12/495,688.32
  6. Step 6: Final answer
    x = 244,881.46

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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.