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Finding the Fourth Proportional to 374,353.60, 516,460.80 and 230,864.80

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Solution

The fourth proportional to 374,353.60, 516,460.80 and 230,864.80 is: 318,502.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,353.60 : 516,460.80 = 230,864.80 : x
  2. Step 2: Convert to fraction form
    374,353.60/516,460.80 = 230,864.80/x
  3. Step 3: Cross multiply
    374,353.60x = 516,460.80 × 230,864.80
  4. Step 4: Simplify right side
    374,353.60x = 119,232,619,299.84
  5. Step 5: Solve for x
    x = 119,232,619,299.84/374,353.60
  6. Step 6: Final answer
    x = 318,502.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.