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Finding the Fourth Proportional to 276,547.50, 415,171.35 and 169,668.81

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Solution

The fourth proportional to 276,547.50, 415,171.35 and 169,668.81 is: 254,718.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,547.50 : 415,171.35 = 169,668.81 : x
  2. Step 2: Convert to fraction form
    276,547.50/415,171.35 = 169,668.81/x
  3. Step 3: Cross multiply
    276,547.50x = 415,171.35 × 169,668.81
  4. Step 4: Simplify right side
    276,547.50x = 70,441,628,900.59
  5. Step 5: Solve for x
    x = 70,441,628,900.59/276,547.50
  6. Step 6: Final answer
    x = 254,718.01

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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.