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Finding the Fourth Proportional to 346,809.70, 520,249.20 and 94,094.20

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Solution

The fourth proportional to 346,809.70, 520,249.20 and 94,094.20 is: 141,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,809.70 : 520,249.20 = 94,094.20 : x
  2. Step 2: Convert to fraction form
    346,809.70/520,249.20 = 94,094.20/x
  3. Step 3: Cross multiply
    346,809.70x = 520,249.20 × 94,094.20
  4. Step 4: Simplify right side
    346,809.70x = 48,952,432,274.64
  5. Step 5: Solve for x
    x = 48,952,432,274.64/346,809.70
  6. Step 6: Final answer
    x = 141,150.70

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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.