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Finding the Fourth Proportional to 317,773.14, 438,509.43 and 174,510.06

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Solution

The fourth proportional to 317,773.14, 438,509.43 and 174,510.06 is: 240,814.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,773.14 : 438,509.43 = 174,510.06 : x
  2. Step 2: Convert to fraction form
    317,773.14/438,509.43 = 174,510.06/x
  3. Step 3: Cross multiply
    317,773.14x = 438,509.43 × 174,510.06
  4. Step 4: Simplify right side
    317,773.14x = 76,524,306,939.87
  5. Step 5: Solve for x
    x = 76,524,306,939.87/317,773.14
  6. Step 6: Final answer
    x = 240,814.27

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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.