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Finding the Fourth Proportional to 320,567.51, 442,344.63 and 184,645.67

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Solution

The fourth proportional to 320,567.51, 442,344.63 and 184,645.67 is: 254,788.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,567.51 : 442,344.63 = 184,645.67 : x
  2. Step 2: Convert to fraction form
    320,567.51/442,344.63 = 184,645.67/x
  3. Step 3: Cross multiply
    320,567.51x = 442,344.63 × 184,645.67
  4. Step 4: Simplify right side
    320,567.51x = 81,677,018,019.32
  5. Step 5: Solve for x
    x = 81,677,018,019.32/320,567.51
  6. Step 6: Final answer
    x = 254,788.82

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1.5x scale

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.