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Finding the Fourth Proportional to 273,396.60, 377,286.78 and 152,530.69

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Solution

The fourth proportional to 273,396.60, 377,286.78 and 152,530.69 is: 210,492.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,396.60 : 377,286.78 = 152,530.69 : x
  2. Step 2: Convert to fraction form
    273,396.60/377,286.78 = 152,530.69/x
  3. Step 3: Cross multiply
    273,396.60x = 377,286.78 × 152,530.69
  4. Step 4: Simplify right side
    273,396.60x = 57,547,812,881.28
  5. Step 5: Solve for x
    x = 57,547,812,881.28/273,396.60
  6. Step 6: Final answer
    x = 210,492.06

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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.