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Finding the Fourth Proportional to 409,925.30, 610,812.70 and 365,208.44

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Solution

The fourth proportional to 409,925.30, 610,812.70 and 365,208.44 is: 544,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,925.30 : 610,812.70 = 365,208.44 : x
  2. Step 2: Convert to fraction form
    409,925.30/610,812.70 = 365,208.44/x
  3. Step 3: Cross multiply
    409,925.30x = 610,812.70 × 365,208.44
  4. Step 4: Simplify right side
    409,925.30x = 223,073,953,299.19
  5. Step 5: Solve for x
    x = 223,073,953,299.19/409,925.30
  6. Step 6: Final answer
    x = 544,181.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.