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Finding the Fourth Proportional to 358,549.60, 494,794.32 and 197,401.24

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Solution

The fourth proportional to 358,549.60, 494,794.32 and 197,401.24 is: 272,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,549.60 : 494,794.32 = 197,401.24 : x
  2. Step 2: Convert to fraction form
    358,549.60/494,794.32 = 197,401.24/x
  3. Step 3: Cross multiply
    358,549.60x = 494,794.32 × 197,401.24
  4. Step 4: Simplify right side
    358,549.60x = 97,673,012,312.96
  5. Step 5: Solve for x
    x = 97,673,012,312.96/358,549.60
  6. Step 6: Final answer
    x = 272,411.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.