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Finding the Fourth Proportional to 584,774.66, 806,995.65 and 343,061.36

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Solution

The fourth proportional to 584,774.66, 806,995.65 and 343,061.36 is: 473,428.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,774.66 : 806,995.65 = 343,061.36 : x
  2. Step 2: Convert to fraction form
    584,774.66/806,995.65 = 343,061.36/x
  3. Step 3: Cross multiply
    584,774.66x = 806,995.65 × 343,061.36
  4. Step 4: Simplify right side
    584,774.66x = 276,849,025,203.08
  5. Step 5: Solve for x
    x = 276,849,025,203.08/584,774.66
  6. Step 6: Final answer
    x = 473,428.56

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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.