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Finding the Fourth Proportional to 469,000.56, 703,566.40 and 153,394.56

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Solution

The fourth proportional to 469,000.56, 703,566.40 and 153,394.56 is: 230,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,000.56 : 703,566.40 = 153,394.56 : x
  2. Step 2: Convert to fraction form
    469,000.56/703,566.40 = 153,394.56/x
  3. Step 3: Cross multiply
    469,000.56x = 703,566.40 × 153,394.56
  4. Step 4: Simplify right side
    469,000.56x = 107,923,258,358.78
  5. Step 5: Solve for x
    x = 107,923,258,358.78/469,000.56
  6. Step 6: Final answer
    x = 230,113.28

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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.