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Finding the Fourth Proportional to 364,870.20, 547,110.90 and 154,270.20

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Solution

The fourth proportional to 364,870.20, 547,110.90 and 154,270.20 is: 231,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,870.20 : 547,110.90 = 154,270.20 : x
  2. Step 2: Convert to fraction form
    364,870.20/547,110.90 = 154,270.20/x
  3. Step 3: Cross multiply
    364,870.20x = 547,110.90 × 154,270.20
  4. Step 4: Simplify right side
    364,870.20x = 84,402,907,965.18
  5. Step 5: Solve for x
    x = 84,402,907,965.18/364,870.20
  6. Step 6: Final answer
    x = 231,323.11

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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.