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Finding the Fourth Proportional to 705,817.55, 974,034.39 and 383,527.65

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Solution

The fourth proportional to 705,817.55, 974,034.39 and 383,527.65 is: 529,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,817.55 : 974,034.39 = 383,527.65 : x
  2. Step 2: Convert to fraction form
    705,817.55/974,034.39 = 383,527.65/x
  3. Step 3: Cross multiply
    705,817.55x = 974,034.39 × 383,527.65
  4. Step 4: Simplify right side
    705,817.55x = 373,569,120,615.88
  5. Step 5: Solve for x
    x = 373,569,120,615.88/705,817.55
  6. Step 6: Final answer
    x = 529,271.51

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Double scale
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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.