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Finding the Fourth Proportional to 584,726.31, 806,922.41 and 316,454.31

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Solution

The fourth proportional to 584,726.31, 806,922.41 and 316,454.31 is: 436,707.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,726.31 : 806,922.41 = 316,454.31 : x
  2. Step 2: Convert to fraction form
    584,726.31/806,922.41 = 316,454.31/x
  3. Step 3: Cross multiply
    584,726.31x = 806,922.41 × 316,454.31
  4. Step 4: Simplify right side
    584,726.31x = 255,354,072,897.82
  5. Step 5: Solve for x
    x = 255,354,072,897.82/584,726.31
  6. Step 6: Final answer
    x = 436,707.00

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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.