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Finding the Fourth Proportional to 347,071.76, 520,649.75 and 97,753.76

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Solution

The fourth proportional to 347,071.76, 520,649.75 and 97,753.76 is: 146,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,071.76 : 520,649.75 = 97,753.76 : x
  2. Step 2: Convert to fraction form
    347,071.76/520,649.75 = 97,753.76/x
  3. Step 3: Cross multiply
    347,071.76x = 520,649.75 × 97,753.76
  4. Step 4: Simplify right side
    347,071.76x = 50,895,470,705.56
  5. Step 5: Solve for x
    x = 50,895,470,705.56/347,071.76
  6. Step 6: Final answer
    x = 146,642.50

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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.