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Finding the Fourth Proportional to 276,294.42, 414,440.28 and 238,740.22

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Solution

The fourth proportional to 276,294.42, 414,440.28 and 238,740.22 is: 358,109.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,294.42 : 414,440.28 = 238,740.22 : x
  2. Step 2: Convert to fraction form
    276,294.42/414,440.28 = 238,740.22/x
  3. Step 3: Cross multiply
    276,294.42x = 414,440.28 × 238,740.22
  4. Step 4: Simplify right side
    276,294.42x = 98,943,563,624.06
  5. Step 5: Solve for x
    x = 98,943,563,624.06/276,294.42
  6. Step 6: Final answer
    x = 358,109.16

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1.5x scale

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.