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Finding the Fourth Proportional to 317,337.30, 437,953.80 and 174,125.22

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Solution

The fourth proportional to 317,337.30, 437,953.80 and 174,125.22 is: 240,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,337.30 : 437,953.80 = 174,125.22 : x
  2. Step 2: Convert to fraction form
    317,337.30/437,953.80 = 174,125.22/x
  3. Step 3: Cross multiply
    317,337.30x = 437,953.80 × 174,125.22
  4. Step 4: Simplify right side
    317,337.30x = 76,258,801,774.84
  5. Step 5: Solve for x
    x = 76,258,801,774.84/317,337.30
  6. Step 6: Final answer
    x = 240,308.35

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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.