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Finding the Fourth Proportional to 347,130.40, 520,724.40 and 110,466.40

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Solution

The fourth proportional to 347,130.40, 520,724.40 and 110,466.40 is: 165,708.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,130.40 : 520,724.40 = 110,466.40 : x
  2. Step 2: Convert to fraction form
    347,130.40/520,724.40 = 110,466.40/x
  3. Step 3: Cross multiply
    347,130.40x = 520,724.40 × 110,466.40
  4. Step 4: Simplify right side
    347,130.40x = 57,522,549,860.16
  5. Step 5: Solve for x
    x = 57,522,549,860.16/347,130.40
  6. Step 6: Final answer
    x = 165,708.76

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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.