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Finding the Fourth Proportional to 463,903.80, 696,086.10 and 183,430.20

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Solution

The fourth proportional to 463,903.80, 696,086.10 and 183,430.20 is: 275,236.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,903.80 : 696,086.10 = 183,430.20 : x
  2. Step 2: Convert to fraction form
    463,903.80/696,086.10 = 183,430.20/x
  3. Step 3: Cross multiply
    463,903.80x = 696,086.10 × 183,430.20
  4. Step 4: Simplify right side
    463,903.80x = 127,683,212,540.22
  5. Step 5: Solve for x
    x = 127,683,212,540.22/463,903.80
  6. Step 6: Final answer
    x = 275,236.40

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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.