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Finding the Fourth Proportional to 584,636.30, 806,800.52 and 316,364.30

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Solution

The fourth proportional to 584,636.30, 806,800.52 and 316,364.30 is: 436,584.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,636.30 : 806,800.52 = 316,364.30 : x
  2. Step 2: Convert to fraction form
    584,636.30/806,800.52 = 316,364.30/x
  3. Step 3: Cross multiply
    584,636.30x = 806,800.52 × 316,364.30
  4. Step 4: Simplify right side
    584,636.30x = 255,242,876,133.61
  5. Step 5: Solve for x
    x = 255,242,876,133.61/584,636.30
  6. Step 6: Final answer
    x = 436,584.04

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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.