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Finding the Fourth Proportional to 592,925.32, 818,235.93 and 320,993.11

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Solution

The fourth proportional to 592,925.32, 818,235.93 and 320,993.11 is: 442,969.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,925.32 : 818,235.93 = 320,993.11 : x
  2. Step 2: Convert to fraction form
    592,925.32/818,235.93 = 320,993.11/x
  3. Step 3: Cross multiply
    592,925.32x = 818,235.93 × 320,993.11
  4. Step 4: Simplify right side
    592,925.32x = 262,648,095,884.44
  5. Step 5: Solve for x
    x = 262,648,095,884.44/592,925.32
  6. Step 6: Final answer
    x = 442,969.94

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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.