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Finding the Fourth Proportional to 592,953.18, 818,275.73 and 321,021.14

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Solution

The fourth proportional to 592,953.18, 818,275.73 and 321,021.14 is: 443,009.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,953.18 : 818,275.73 = 321,021.14 : x
  2. Step 2: Convert to fraction form
    592,953.18/818,275.73 = 321,021.14/x
  3. Step 3: Cross multiply
    592,953.18x = 818,275.73 × 321,021.14
  4. Step 4: Simplify right side
    592,953.18x = 262,683,807,678.93
  5. Step 5: Solve for x
    x = 262,683,807,678.93/592,953.18
  6. Step 6: Final answer
    x = 443,009.36

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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.