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Finding the Fourth Proportional to 492,089.20, 738,133.80 and 373,116.40

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Solution

The fourth proportional to 492,089.20, 738,133.80 and 373,116.40 is: 559,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,089.20 : 738,133.80 = 373,116.40 : x
  2. Step 2: Convert to fraction form
    492,089.20/738,133.80 = 373,116.40/x
  3. Step 3: Cross multiply
    492,089.20x = 738,133.80 × 373,116.40
  4. Step 4: Simplify right side
    492,089.20x = 275,409,826,174.32
  5. Step 5: Solve for x
    x = 275,409,826,174.32/492,089.20
  6. Step 6: Final answer
    x = 559,674.60

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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.