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Finding the Fourth Proportional to 347,060.40, 520,590.60 and 97,742.40

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Solution

The fourth proportional to 347,060.40, 520,590.60 and 97,742.40 is: 146,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,060.40 : 520,590.60 = 97,742.40 : x
  2. Step 2: Convert to fraction form
    347,060.40/520,590.60 = 97,742.40/x
  3. Step 3: Cross multiply
    347,060.40x = 520,590.60 × 97,742.40
  4. Step 4: Simplify right side
    347,060.40x = 50,883,774,661.44
  5. Step 5: Solve for x
    x = 50,883,774,661.44/347,060.40
  6. Step 6: Final answer
    x = 146,613.60

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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.