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Finding the Fourth Proportional to 281,817.60, 389,041.24 and 174,457.76

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Solution

The fourth proportional to 281,817.60, 389,041.24 and 174,457.76 is: 240,834.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,817.60 : 389,041.24 = 174,457.76 : x
  2. Step 2: Convert to fraction form
    281,817.60/389,041.24 = 174,457.76/x
  3. Step 3: Cross multiply
    281,817.60x = 389,041.24 × 174,457.76
  4. Step 4: Simplify right side
    281,817.60x = 67,871,263,278.02
  5. Step 5: Solve for x
    x = 67,871,263,278.02/281,817.60
  6. Step 6: Final answer
    x = 240,834.01

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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.