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Finding the Fourth Proportional to 325,017.68, 448,510.70 and 189,051.89

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Solution

The fourth proportional to 325,017.68, 448,510.70 and 189,051.89 is: 260,883.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,017.68 : 448,510.70 = 189,051.89 : x
  2. Step 2: Convert to fraction form
    325,017.68/448,510.70 = 189,051.89/x
  3. Step 3: Cross multiply
    325,017.68x = 448,510.70 × 189,051.89
  4. Step 4: Simplify right side
    325,017.68x = 84,791,793,750.30
  5. Step 5: Solve for x
    x = 84,791,793,750.30/325,017.68
  6. Step 6: Final answer
    x = 260,883.64

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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.