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Finding the Fourth Proportional to 346,807.56, 520,211.36 and 97,489.56

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Solution

The fourth proportional to 346,807.56, 520,211.36 and 97,489.56 is: 146,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,807.56 : 520,211.36 = 97,489.56 : x
  2. Step 2: Convert to fraction form
    346,807.56/520,211.36 = 97,489.56/x
  3. Step 3: Cross multiply
    346,807.56x = 520,211.36 × 97,489.56
  4. Step 4: Simplify right side
    346,807.56x = 50,715,176,593.40
  5. Step 5: Solve for x
    x = 50,715,176,593.40/346,807.56
  6. Step 6: Final answer
    x = 146,234.35

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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.