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Finding the Fourth Proportional to 584,702.44, 806,887.78 and 316,430.44

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Solution

The fourth proportional to 584,702.44, 806,887.78 and 316,430.44 is: 436,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,702.44 : 806,887.78 = 316,430.44 : x
  2. Step 2: Convert to fraction form
    584,702.44/806,887.78 = 316,430.44/x
  3. Step 3: Cross multiply
    584,702.44x = 806,887.78 × 316,430.44
  4. Step 4: Simplify right side
    584,702.44x = 255,323,855,256.02
  5. Step 5: Solve for x
    x = 255,323,855,256.02/584,702.44
  6. Step 6: Final answer
    x = 436,673.15

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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.