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Finding the Fourth Proportional to 364,087.49, 502,656.28 and 323,689.67

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Solution

The fourth proportional to 364,087.49, 502,656.28 and 323,689.67 is: 446,883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,087.49 : 502,656.28 = 323,689.67 : x
  2. Step 2: Convert to fraction form
    364,087.49/502,656.28 = 323,689.67/x
  3. Step 3: Cross multiply
    364,087.49x = 502,656.28 × 323,689.67
  4. Step 4: Simplify right side
    364,087.49x = 162,704,645,396.63
  5. Step 5: Solve for x
    x = 162,704,645,396.63/364,087.49
  6. Step 6: Final answer
    x = 446,883.37

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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.