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Finding the Fourth Proportional to 492,225.12, 738,337.68 and 352,257.12

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Solution

The fourth proportional to 492,225.12, 738,337.68 and 352,257.12 is: 528,385.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,225.12 : 738,337.68 = 352,257.12 : x
  2. Step 2: Convert to fraction form
    492,225.12/738,337.68 = 352,257.12/x
  3. Step 3: Cross multiply
    492,225.12x = 738,337.68 × 352,257.12
  4. Step 4: Simplify right side
    492,225.12x = 260,084,704,744.28
  5. Step 5: Solve for x
    x = 260,084,704,744.28/492,225.12
  6. Step 6: Final answer
    x = 528,385.68

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Similar ratio
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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.