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Finding the Fourth Proportional to 584,664.74, 806,836.88 and 316,392.74

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Solution

The fourth proportional to 584,664.74, 806,836.88 and 316,392.74 is: 436,621.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,664.74 : 806,836.88 = 316,392.74 : x
  2. Step 2: Convert to fraction form
    584,664.74/806,836.88 = 316,392.74/x
  3. Step 3: Cross multiply
    584,664.74x = 806,836.88 × 316,392.74
  4. Step 4: Simplify right side
    584,664.74x = 255,277,331,196.25
  5. Step 5: Solve for x
    x = 255,277,331,196.25/584,664.74
  6. Step 6: Final answer
    x = 436,621.73

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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.