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Finding the Fourth Proportional to 317,226.39, 437,783.57 and 173,987.01

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Solution

The fourth proportional to 317,226.39, 437,783.57 and 173,987.01 is: 240,108.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,226.39 : 437,783.57 = 173,987.01 : x
  2. Step 2: Convert to fraction form
    317,226.39/437,783.57 = 173,987.01/x
  3. Step 3: Cross multiply
    317,226.39x = 437,783.57 × 173,987.01
  4. Step 4: Simplify right side
    317,226.39x = 76,168,651,312.57
  5. Step 5: Solve for x
    x = 76,168,651,312.57/317,226.39
  6. Step 6: Final answer
    x = 240,108.18

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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.