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Finding the Fourth Proportional to 360,528, 540,793.44 and 97,872

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Solution

The fourth proportional to 360,528, 540,793.44 and 97,872 is: 146,808.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,528 : 540,793.44 = 97,872 : x
  2. Step 2: Convert to fraction form
    360,528/540,793.44 = 97,872/x
  3. Step 3: Cross multiply
    360,528x = 540,793.44 × 97,872
  4. Step 4: Simplify right side
    360,528x = 52,928,535,559.68
  5. Step 5: Solve for x
    x = 52,928,535,559.68/360,528
  6. Step 6: Final answer
    x = 146,808.39

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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.