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Finding the Fourth Proportional to 560,000.70, 839,925.45 and 223,289.10

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Solution

The fourth proportional to 560,000.70, 839,925.45 and 223,289.10 is: 334,903.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,000.70 : 839,925.45 = 223,289.10 : x
  2. Step 2: Convert to fraction form
    560,000.70/839,925.45 = 223,289.10/x
  3. Step 3: Cross multiply
    560,000.70x = 839,925.45 × 223,289.10
  4. Step 4: Simplify right side
    560,000.70x = 187,546,197,797.60
  5. Step 5: Solve for x
    x = 187,546,197,797.60/560,000.70
  6. Step 6: Final answer
    x = 334,903.51

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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.