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Finding the Fourth Proportional to 314,244.60, 433,666.59 and 171,013.72

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Solution

The fourth proportional to 314,244.60, 433,666.59 and 171,013.72 is: 236,003.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,244.60 : 433,666.59 = 171,013.72 : x
  2. Step 2: Convert to fraction form
    314,244.60/433,666.59 = 171,013.72/x
  3. Step 3: Cross multiply
    314,244.60x = 433,666.59 × 171,013.72
  4. Step 4: Simplify right side
    314,244.60x = 74,162,936,795.61
  5. Step 5: Solve for x
    x = 74,162,936,795.61/314,244.60
  6. Step 6: Final answer
    x = 236,003.85

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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.