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Finding the Fourth Proportional to 279,527.85, 385,736.85 and 152,203.14

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Solution

The fourth proportional to 279,527.85, 385,736.85 and 152,203.14 is: 210,034.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,527.85 : 385,736.85 = 152,203.14 : x
  2. Step 2: Convert to fraction form
    279,527.85/385,736.85 = 152,203.14/x
  3. Step 3: Cross multiply
    279,527.85x = 385,736.85 × 152,203.14
  4. Step 4: Simplify right side
    279,527.85x = 58,710,359,783.71
  5. Step 5: Solve for x
    x = 58,710,359,783.71/279,527.85
  6. Step 6: Final answer
    x = 210,034.03

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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.