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Finding the Fourth Proportional to 276,253.50, 414,444.54 and 86,703.48

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Solution

The fourth proportional to 276,253.50, 414,444.54 and 86,703.48 is: 130,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,253.50 : 414,444.54 = 86,703.48 : x
  2. Step 2: Convert to fraction form
    276,253.50/414,444.54 = 86,703.48/x
  3. Step 3: Cross multiply
    276,253.50x = 414,444.54 × 86,703.48
  4. Step 4: Simplify right side
    276,253.50x = 35,933,783,885.00
  5. Step 5: Solve for x
    x = 35,933,783,885.00/276,253.50
  6. Step 6: Final answer
    x = 130,075.40

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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.