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Finding the Fourth Proportional to 584,648.88, 806,815.85 and 316,376.88

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Solution

The fourth proportional to 584,648.88, 806,815.85 and 316,376.88 is: 436,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,648.88 : 806,815.85 = 316,376.88 : x
  2. Step 2: Convert to fraction form
    584,648.88/806,815.85 = 316,376.88/x
  3. Step 3: Cross multiply
    584,648.88x = 806,815.85 × 316,376.88
  4. Step 4: Simplify right side
    584,648.88x = 255,257,881,357.55
  5. Step 5: Solve for x
    x = 255,257,881,357.55/584,648.88
  6. Step 6: Final answer
    x = 436,600.31

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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.