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Finding the Fourth Proportional to 325,000.68, 448,487.64 and 189,038.52

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Solution

The fourth proportional to 325,000.68, 448,487.64 and 189,038.52 is: 260,865.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,000.68 : 448,487.64 = 189,038.52 : x
  2. Step 2: Convert to fraction form
    325,000.68/448,487.64 = 189,038.52/x
  3. Step 3: Cross multiply
    325,000.68x = 448,487.64 × 189,038.52
  4. Step 4: Simplify right side
    325,000.68x = 84,781,439,703.89
  5. Step 5: Solve for x
    x = 84,781,439,703.89/325,000.68
  6. Step 6: Final answer
    x = 260,865.42

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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.