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Finding the Fourth Proportional to 547,094.76, 755,116.74 and 320,813.16

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Solution

The fourth proportional to 547,094.76, 755,116.74 and 320,813.16 is: 442,796.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,094.76 : 755,116.74 = 320,813.16 : x
  2. Step 2: Convert to fraction form
    547,094.76/755,116.74 = 320,813.16/x
  3. Step 3: Cross multiply
    547,094.76x = 755,116.74 × 320,813.16
  4. Step 4: Simplify right side
    547,094.76x = 242,251,387,528.30
  5. Step 5: Solve for x
    x = 242,251,387,528.30/547,094.76
  6. Step 6: Final answer
    x = 442,796.03

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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.