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Finding the Fourth Proportional to 369,967.92, 555,045.84 and 103,729.56

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Solution

The fourth proportional to 369,967.92, 555,045.84 and 103,729.56 is: 155,620.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,967.92 : 555,045.84 = 103,729.56 : x
  2. Step 2: Convert to fraction form
    369,967.92/555,045.84 = 103,729.56/x
  3. Step 3: Cross multiply
    369,967.92x = 555,045.84 × 103,729.56
  4. Step 4: Simplify right side
    369,967.92x = 57,574,660,763.03
  5. Step 5: Solve for x
    x = 57,574,660,763.03/369,967.92
  6. Step 6: Final answer
    x = 155,620.68

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1.5x scale

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.