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Finding the Fourth Proportional to 235,447.38, 325,041.53 and 189,001.58

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Solution

The fourth proportional to 235,447.38, 325,041.53 and 189,001.58 is: 260,921.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,447.38 : 325,041.53 = 189,001.58 : x
  2. Step 2: Convert to fraction form
    235,447.38/325,041.53 = 189,001.58/x
  3. Step 3: Cross multiply
    235,447.38x = 325,041.53 × 189,001.58
  4. Step 4: Simplify right side
    235,447.38x = 61,433,360,165.40
  5. Step 5: Solve for x
    x = 61,433,360,165.40/235,447.38
  6. Step 6: Final answer
    x = 260,921.83

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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.