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Finding the Fourth Proportional to 459,491.56, 634,004.69 and 268,468.04

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Solution

The fourth proportional to 459,491.56, 634,004.69 and 268,468.04 is: 370,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,491.56 : 634,004.69 = 268,468.04 : x
  2. Step 2: Convert to fraction form
    459,491.56/634,004.69 = 268,468.04/x
  3. Step 3: Cross multiply
    459,491.56x = 634,004.69 × 268,468.04
  4. Step 4: Simplify right side
    459,491.56x = 170,209,996,717.78
  5. Step 5: Solve for x
    x = 170,209,996,717.78/459,491.56
  6. Step 6: Final answer
    x = 370,431.17

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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.