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Finding the Fourth Proportional to 347,302.12, 520,995.30 and 97,984.12

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Solution

The fourth proportional to 347,302.12, 520,995.30 and 97,984.12 is: 146,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,302.12 : 520,995.30 = 97,984.12 : x
  2. Step 2: Convert to fraction form
    347,302.12/520,995.30 = 97,984.12/x
  3. Step 3: Cross multiply
    347,302.12x = 520,995.30 × 97,984.12
  4. Step 4: Simplify right side
    347,302.12x = 51,049,265,994.64
  5. Step 5: Solve for x
    x = 51,049,265,994.64/347,302.12
  6. Step 6: Final answer
    x = 146,988.06

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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.