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Finding the Fourth Proportional to 584,687, 806,868.06 and 316,415

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Solution

The fourth proportional to 584,687, 806,868.06 and 316,415 is: 436,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,687 : 806,868.06 = 316,415 : x
  2. Step 2: Convert to fraction form
    584,687/806,868.06 = 316,415/x
  3. Step 3: Cross multiply
    584,687x = 806,868.06 × 316,415
  4. Step 4: Simplify right side
    584,687x = 255,305,157,204.90
  5. Step 5: Solve for x
    x = 255,305,157,204.90/584,687
  6. Step 6: Final answer
    x = 436,652.70

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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.