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Finding the Fourth Proportional to 317,172.29, 437,703.78 and 173,923.79

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Solution

The fourth proportional to 317,172.29, 437,703.78 and 173,923.79 is: 240,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,172.29 : 437,703.78 = 173,923.79 : x
  2. Step 2: Convert to fraction form
    317,172.29/437,703.78 = 173,923.79/x
  3. Step 3: Cross multiply
    317,172.29x = 437,703.78 × 173,923.79
  4. Step 4: Simplify right side
    317,172.29x = 76,127,099,445.31
  5. Step 5: Solve for x
    x = 76,127,099,445.31/317,172.29
  6. Step 6: Final answer
    x = 240,018.13

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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.