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Finding the Fourth Proportional to 347,059.40, 520,589.10 and 97,741.40

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Solution

The fourth proportional to 347,059.40, 520,589.10 and 97,741.40 is: 146,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,059.40 : 520,589.10 = 97,741.40 : x
  2. Step 2: Convert to fraction form
    347,059.40/520,589.10 = 97,741.40/x
  3. Step 3: Cross multiply
    347,059.40x = 520,589.10 × 97,741.40
  4. Step 4: Simplify right side
    347,059.40x = 50,883,107,458.74
  5. Step 5: Solve for x
    x = 50,883,107,458.74/347,059.40
  6. Step 6: Final answer
    x = 146,612.10

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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.