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Finding the Fourth Proportional to 326,586.61, 450,689.18 and 183,346.93

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Solution

The fourth proportional to 326,586.61, 450,689.18 and 183,346.93 is: 253,018.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,586.61 : 450,689.18 = 183,346.93 : x
  2. Step 2: Convert to fraction form
    326,586.61/450,689.18 = 183,346.93/x
  3. Step 3: Cross multiply
    326,586.61x = 450,689.18 × 183,346.93
  4. Step 4: Simplify right side
    326,586.61x = 82,632,477,537.22
  5. Step 5: Solve for x
    x = 82,632,477,537.22/326,586.61
  6. Step 6: Final answer
    x = 253,018.57

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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.