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Finding the Fourth Proportional to 273,396.85, 377,287.12 and 152,530.94

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Solution

The fourth proportional to 273,396.85, 377,287.12 and 152,530.94 is: 210,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,396.85 : 377,287.12 = 152,530.94 : x
  2. Step 2: Convert to fraction form
    273,396.85/377,287.12 = 152,530.94/x
  3. Step 3: Cross multiply
    273,396.85x = 377,287.12 × 152,530.94
  4. Step 4: Simplify right side
    273,396.85x = 57,547,959,063.49
  5. Step 5: Solve for x
    x = 57,547,959,063.49/273,396.85
  6. Step 6: Final answer
    x = 210,492.40

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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.