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Finding the Fourth Proportional to 436,728.71, 603,014.12 and 429,753.50

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Solution

The fourth proportional to 436,728.71, 603,014.12 and 429,753.50 is: 593,383.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,728.71 : 603,014.12 = 429,753.50 : x
  2. Step 2: Convert to fraction form
    436,728.71/603,014.12 = 429,753.50/x
  3. Step 3: Cross multiply
    436,728.71x = 603,014.12 × 429,753.50
  4. Step 4: Simplify right side
    436,728.71x = 259,147,427,328.46
  5. Step 5: Solve for x
    x = 259,147,427,328.46/436,728.71
  6. Step 6: Final answer
    x = 593,383.08

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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.