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Finding the Fourth Proportional to 584,704.44, 806,890.54 and 316,432.44

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Solution

The fourth proportional to 584,704.44, 806,890.54 and 316,432.44 is: 436,675.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,704.44 : 806,890.54 = 316,432.44 : x
  2. Step 2: Convert to fraction form
    584,704.44/806,890.54 = 316,432.44/x
  3. Step 3: Cross multiply
    584,704.44x = 806,890.54 × 316,432.44
  4. Step 4: Simplify right side
    584,704.44x = 255,326,342,385.12
  5. Step 5: Solve for x
    x = 255,326,342,385.12/584,704.44
  6. Step 6: Final answer
    x = 436,675.91

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Double scale
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1.5x scale

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.