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Finding the Fourth Proportional to 346,777.05, 520,165.59 and 97,459.05

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Solution

The fourth proportional to 346,777.05, 520,165.59 and 97,459.05 is: 146,188.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,777.05 : 520,165.59 = 97,459.05 : x
  2. Step 2: Convert to fraction form
    346,777.05/520,165.59 = 97,459.05/x
  3. Step 3: Cross multiply
    346,777.05x = 520,165.59 × 97,459.05
  4. Step 4: Simplify right side
    346,777.05x = 50,694,844,244.09
  5. Step 5: Solve for x
    x = 50,694,844,244.09/346,777.05
  6. Step 6: Final answer
    x = 146,188.58

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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.