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Finding the Fourth Proportional to 317,348.70, 437,945.67 and 174,106.14

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Solution

The fourth proportional to 317,348.70, 437,945.67 and 174,106.14 is: 240,268.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,348.70 : 437,945.67 = 174,106.14 : x
  2. Step 2: Convert to fraction form
    317,348.70/437,945.67 = 174,106.14/x
  3. Step 3: Cross multiply
    317,348.70x = 437,945.67 × 174,106.14
  4. Step 4: Simplify right side
    317,348.70x = 76,249,030,133.41
  5. Step 5: Solve for x
    x = 76,249,030,133.41/317,348.70
  6. Step 6: Final answer
    x = 240,268.92

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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.