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Finding the Fourth Proportional to 346,846.60, 520,058.70 and 136,232.20

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Solution

The fourth proportional to 346,846.60, 520,058.70 and 136,232.20 is: 204,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,846.60 : 520,058.70 = 136,232.20 : x
  2. Step 2: Convert to fraction form
    346,846.60/520,058.70 = 136,232.20/x
  3. Step 3: Cross multiply
    346,846.60x = 520,058.70 × 136,232.20
  4. Step 4: Simplify right side
    346,846.60x = 70,848,740,830.14
  5. Step 5: Solve for x
    x = 70,848,740,830.14/346,846.60
  6. Step 6: Final answer
    x = 204,265.35

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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.