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Finding the Fourth Proportional to 314,303.88, 433,748.88 and 171,074.28

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Solution

The fourth proportional to 314,303.88, 433,748.88 and 171,074.28 is: 236,087.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,303.88 : 433,748.88 = 171,074.28 : x
  2. Step 2: Convert to fraction form
    314,303.88/433,748.88 = 171,074.28/x
  3. Step 3: Cross multiply
    314,303.88x = 433,748.88 × 171,074.28
  4. Step 4: Simplify right side
    314,303.88x = 74,203,277,346.81
  5. Step 5: Solve for x
    x = 74,203,277,346.81/314,303.88
  6. Step 6: Final answer
    x = 236,087.69

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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.