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Finding the Fourth Proportional to 493,294.40, 739,941.60 and 293,710.40

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Solution

The fourth proportional to 493,294.40, 739,941.60 and 293,710.40 is: 440,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,294.40 : 739,941.60 = 293,710.40 : x
  2. Step 2: Convert to fraction form
    493,294.40/739,941.60 = 293,710.40/x
  3. Step 3: Cross multiply
    493,294.40x = 739,941.60 × 293,710.40
  4. Step 4: Simplify right side
    493,294.40x = 217,328,543,312.64
  5. Step 5: Solve for x
    x = 217,328,543,312.64/493,294.40
  6. Step 6: Final answer
    x = 440,565.60

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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.