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Finding the Fourth Proportional to 495,602.50, 743,401.32 and 140,617.18

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Solution

The fourth proportional to 495,602.50, 743,401.32 and 140,617.18 is: 210,925.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,602.50 : 743,401.32 = 140,617.18 : x
  2. Step 2: Convert to fraction form
    495,602.50/743,401.32 = 140,617.18/x
  3. Step 3: Cross multiply
    495,602.50x = 743,401.32 × 140,617.18
  4. Step 4: Simplify right side
    495,602.50x = 104,534,997,226.68
  5. Step 5: Solve for x
    x = 104,534,997,226.68/495,602.50
  6. Step 6: Final answer
    x = 210,925.08

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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.