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Finding the Fourth Proportional to 365,261.80, 547,417.98 and 148,867.80

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Solution

The fourth proportional to 365,261.80, 547,417.98 and 148,867.80 is: 223,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,261.80 : 547,417.98 = 148,867.80 : x
  2. Step 2: Convert to fraction form
    365,261.80/547,417.98 = 148,867.80/x
  3. Step 3: Cross multiply
    365,261.80x = 547,417.98 × 148,867.80
  4. Step 4: Simplify right side
    365,261.80x = 81,492,910,363.04
  5. Step 5: Solve for x
    x = 81,492,910,363.04/365,261.80
  6. Step 6: Final answer
    x = 223,108.22

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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.