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Finding the Fourth Proportional to 707,037.54, 975,732.33 and 384,768.42

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Solution

The fourth proportional to 707,037.54, 975,732.33 and 384,768.42 is: 530,991.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,037.54 : 975,732.33 = 384,768.42 : x
  2. Step 2: Convert to fraction form
    707,037.54/975,732.33 = 384,768.42/x
  3. Step 3: Cross multiply
    707,037.54x = 975,732.33 × 384,768.42
  4. Step 4: Simplify right side
    707,037.54x = 375,430,986,957.02
  5. Step 5: Solve for x
    x = 375,430,986,957.02/707,037.54
  6. Step 6: Final answer
    x = 530,991.59

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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.