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Finding the Fourth Proportional to 495,652, 743,492.58 and 121,675

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Solution

The fourth proportional to 495,652, 743,492.58 and 121,675 is: 182,516.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,652 : 743,492.58 = 121,675 : x
  2. Step 2: Convert to fraction form
    495,652/743,492.58 = 121,675/x
  3. Step 3: Cross multiply
    495,652x = 743,492.58 × 121,675
  4. Step 4: Simplify right side
    495,652x = 90,464,459,671.50
  5. Step 5: Solve for x
    x = 90,464,459,671.50/495,652
  6. Step 6: Final answer
    x = 182,516.08

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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.