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Finding the Fourth Proportional to 286,064.64, 429,236.34 and 117,635.58

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Solution

The fourth proportional to 286,064.64, 429,236.34 and 117,635.58 is: 176,510.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,064.64 : 429,236.34 = 117,635.58 : x
  2. Step 2: Convert to fraction form
    286,064.64/429,236.34 = 117,635.58/x
  3. Step 3: Cross multiply
    286,064.64x = 429,236.34 × 117,635.58
  4. Step 4: Simplify right side
    286,064.64x = 50,493,465,812.98
  5. Step 5: Solve for x
    x = 50,493,465,812.98/286,064.64
  6. Step 6: Final answer
    x = 176,510.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.