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Finding the Fourth Proportional to 584,838.28, 807,060.18 and 330,213.16

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Solution

The fourth proportional to 584,838.28, 807,060.18 and 330,213.16 is: 455,684.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,838.28 : 807,060.18 = 330,213.16 : x
  2. Step 2: Convert to fraction form
    584,838.28/807,060.18 = 330,213.16/x
  3. Step 3: Cross multiply
    584,838.28x = 807,060.18 × 330,213.16
  4. Step 4: Simplify right side
    584,838.28x = 266,501,892,347.97
  5. Step 5: Solve for x
    x = 266,501,892,347.97/584,838.28
  6. Step 6: Final answer
    x = 455,684.76

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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.