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Finding the Fourth Proportional to 527,089.82, 790,534.96 and 256,946.60

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Solution

The fourth proportional to 527,089.82, 790,534.96 and 256,946.60 is: 385,371.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,089.82 : 790,534.96 = 256,946.60 : x
  2. Step 2: Convert to fraction form
    527,089.82/790,534.96 = 256,946.60/x
  3. Step 3: Cross multiply
    527,089.82x = 790,534.96 × 256,946.60
  4. Step 4: Simplify right side
    527,089.82x = 203,125,271,487.11
  5. Step 5: Solve for x
    x = 203,125,271,487.11/527,089.82
  6. Step 6: Final answer
    x = 385,371.27

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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.