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Finding the Fourth Proportional to 346,777.19, 520,165.78 and 97,459.19

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Solution

The fourth proportional to 346,777.19, 520,165.78 and 97,459.19 is: 146,188.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,777.19 : 520,165.78 = 97,459.19 : x
  2. Step 2: Convert to fraction form
    346,777.19/520,165.78 = 97,459.19/x
  3. Step 3: Cross multiply
    346,777.19x = 520,165.78 × 97,459.19
  4. Step 4: Simplify right side
    346,777.19x = 50,694,935,584.52
  5. Step 5: Solve for x
    x = 50,694,935,584.52/346,777.19
  6. Step 6: Final answer
    x = 146,188.78

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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.