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Finding the Fourth Proportional to 584,058, 806,000.04 and 315,786

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Solution

The fourth proportional to 584,058, 806,000.04 and 315,786 is: 435,784.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,058 : 806,000.04 = 315,786 : x
  2. Step 2: Convert to fraction form
    584,058/806,000.04 = 315,786/x
  3. Step 3: Cross multiply
    584,058x = 806,000.04 × 315,786
  4. Step 4: Simplify right side
    584,058x = 254,523,528,631.44
  5. Step 5: Solve for x
    x = 254,523,528,631.44/584,058
  6. Step 6: Final answer
    x = 435,784.68

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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.