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Finding the Fourth Proportional to 349,956.96, 525,567.72 and 321,825.12

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Solution

The fourth proportional to 349,956.96, 525,567.72 and 321,825.12 is: 483,319.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,956.96 : 525,567.72 = 321,825.12 : x
  2. Step 2: Convert to fraction form
    349,956.96/525,567.72 = 321,825.12/x
  3. Step 3: Cross multiply
    349,956.96x = 525,567.72 × 321,825.12
  4. Step 4: Simplify right side
    349,956.96x = 169,140,894,557.13
  5. Step 5: Solve for x
    x = 169,140,894,557.13/349,956.96
  6. Step 6: Final answer
    x = 483,319.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.